The mass % of hydrogen ( H ) in ammonium bicarbonate is to be calculated. Concept introduction: Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula. The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element. The formula to calculate the mass percent of an element A in a compound is as follows: Mass % of element A= ( ( Moles of A in formula ) ( Molar mass of A in g/mol ) Mass of 1 mol of compound in g ) ( 100 ) (1)

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Answer 1

Question

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

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Answer 2

Question

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

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Answer 3

Question

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

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Answer 4

Question

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

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Answer 5

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

Answer 6

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

Answer 7

Chapter 3, Problem 3.20P

(a)

Interpretation Introduction

Interpretation:

The mass % of hydrogen (H) in ammonium bicarbonate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

Answer 8

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

Answer 9

(b)

Interpretation Introduction

Interpretation:

The mass % of oxygen (O) in sodium dihydrogen phosphate heptahydrate is to be calculated.

Concept introduction:

Molar mass is defined as the mass of 1 mol of a chemical substance in grams. The molar mass of a compound is calculated by the addition of the molar mass of each element multiplied by its number of atoms present in the chemical formula.

The molecular formula of a compound tells the number of atoms of each element present in the compound. Mass percent of an element represents the concentration of that element in a compound. The molar mass and the formula of the compound are used to calculate the mass percent of each element.

The formula to calculate the mass percent of an element A in a compound is as follows:

Mass % of element A=((Moles of Ain formula)(Molar mass of Ain g/mol)Mass of 1 mol of compound in g)(100) (1)

Answer 10

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Answer 11

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Answer 12

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Answer 13

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