Whether N O 2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N 2 O has to be indicated. Concept Introduction: The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Question

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Answer 1

Question

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.

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Answer 2

Question

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.

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Answer 3

Question

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.

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Answer 4

Question

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.

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Answer 5

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.

Answer 6

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

Answer 7

Chapter 1, Problem 1.84EP

(a)

Interpretation Introduction

Interpretation:

Whether NO2 has got more total atoms, same number of total atoms, or fewer total atoms than that of N2O has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 8

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are NO2 and N2O.

Total number of atoms in NO2: This contains one nitrogen atom and two oxygen atoms in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

Total number of atoms in N2O: This contains two nitrogen atoms and one oxygen atom in its chemical formula. Therefore, a total of three atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

Answer 13

(b)

Interpretation Introduction

Interpretation:

Whether Cu(SO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of CuSO4 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 14

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are Cu(SO4)2 and CuSO4.

Total number of atoms in Cu(SO4)2: This contains one copper atom, two sulfur atom and eight oxygen atoms in its chemical formula. Therefore, a total of nine atoms are present in the chemical formula.

Total number of atoms in CuSO4: This contains one copper atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Cu(SO4)2 contain more number of atoms than CuSO4.

Answer 15

(b)

Expert Solution

Answer 16

(b)

Expert Solution

Answer 17

Expert Solution

Answer 18

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

Answer 19

(c)

Interpretation Introduction

Interpretation:

Whether KSCN has got more total atoms, same number of total atoms, or fewer total atoms than that of NaBrO2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 20

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are KSCN and NaBrO2.

Total number of atoms in KSCN: This contains one potassium atom, one sulfur atom, one carbon atom and one nitrogen atom in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NaBrO2: This contains one sodium atom, one bromine atom and two oxygen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

Answer 21

(c)

Expert Solution

Answer 22

(c)

Expert Solution

Answer 23

Expert Solution

Answer 24

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.

Answer 25

(d)

Interpretation Introduction

Interpretation:

Whether Al(C2H3O2)3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Ba(H2PO4)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 26

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Al(C2H3O2)3 and Ba(H2PO4)2.

Total number of atoms in Al(C2H3O2)3: This contains one aluminium atom, six carbon atoms, nine oxygen atoms and six oxygen atoms in its chemical formula. Therefore, a total of twenty two atoms are present in the chemical formula.

Total number of atoms in Ba(H2PO4)2: This contains one barium atom, four hydrogen atoms, two phosphorus atoms, and eight oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Al(C2H3O2)3 contain more number of atoms than Ba(H2PO4)2.