
Concept explainers
(a)
Interpretation:
The formula mass of lithium chloride is to be calculated.
Concept introduction:
The

Answer to Problem 7E
The formula mass of lithium chloride is
Explanation of Solution
The chemical formula for lithium chloride is
Substitute the values in the above equation as,
Thus, the formula mass of lithium chloride is
The formula mass of lithium chloride is
(b)
Interpretation:
The formula mass of aluminum carbonate is to be calculated.
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

Answer to Problem 7E
The formula mass of aluminum carbonate is
Explanation of Solution
The chemical formula for aluminum carbonate is
Substitute the values in the above equation as,
Thus, the formula mass of aluminum carbonate is
The formula mass of aluminum carbonate is
(c)
Interpretation:
The formula mass of ammonium sulfate is to be calculated.
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

Answer to Problem 7E
The formula mass of ammonium sulfate is
Explanation of Solution
The chemical formula for ammonium sulfate is
Substitute the values in the above equation as,
Thus, the formula mass of ammonium sulfate is
The formula mass of ammonium sulfate is
(d)
Interpretation:
The formula mass or molecular mass of butane,
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

Answer to Problem 7E
The formula mass or molecular mass of butane,
Explanation of Solution
The chemical formula for butane is
Substitute the values in the above equation as,
Thus, the formula mass or molecular mass of butane is
The formula mass or molecular mass of butane,
(e)
Interpretation:
The formula mass of silver nitrate is to be calculated.
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

Answer to Problem 7E
The formula mass of silver nitrate is
Explanation of Solution
The chemical formula for silver nitrate is
Thus, the formula mass of silver nitrate is
The formula mass of silver nitrate is
(f)
Interpretation:
The formula mass of manganese
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

Answer to Problem 7E
The formula mass of manganese
Explanation of Solution
The chemical formula for manganese
Substitute the values in the above equation as,
Thus, the formula mass of manganese
The formula mass of manganese
(g)
Interpretation:
The formula mass of zinc phosphate is to be calculated.
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

Answer to Problem 7E
The formula mass of zinc phosphate is
Explanation of Solution
The chemical formula for zinc phosphate is
Substitute the values in the above equation as,
Thus, the formula mass of zinc phosphate is
The formula mass of zinc phosphate is
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Chapter 7 Solutions
Bundle: Introductory Chemistry: An Active Learning Approach, 6th + OWLv2, 1 term (6 months) Printed Access Card
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