
a)
Interpretation:Formula and molecular mass of ammonium sulfate should be determined.
Concept introduction:In the molecular formula, the exact number and type of constituent atoms are shown. Type of constituent atoms is represented by their atomic symbols and number of each constituent atom is represented in the right subscript of its atomic symbol.In a hypothetical molecule
Formula to calculate molecular mass of
a)

Explanation of Solution
In ammonium sulfate, one sulfate ion
Molecular mass of
b)
Interpretation: Formula and molecular mass of sodium dihydrogen phosphate should be determined.
Concept introduction:In the molecular formula, the exact number and type of constituent atoms are shown. Type of constituent atoms is represented by their atomic symbols and number of each constituent atom is represented in the right subscript of its atomic symbol.In a hypothetical molecule
Formula to calculate molecular mass of
b)

Explanation of Solution
In sodium dihydrogen phosphate, one dihydrogen phosphate ion
Molecular mass of
c)
Interpretation: Formula and molecular mass of potassium bicarbonate should be determined.
Concept introduction:In the molecular formula, the exact number and type of constituent atoms are shown. Type of constituent atoms is represented by their atomic symbols and number of each constituent atom is represented in the right subscript of its atomic symbol.In a hypothetical molecule
Formula to calculate molecular mass of
c)

Explanation of Solution
In potassium bicarbonate,one bicarbonate
Molecular mass of
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Chapter 2 Solutions
Principles of General Chemistry
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