Concept explainers
(a)
Interpretation:
Number of moles of
(a)
Answer to Problem E.29E
Number of moles of
Explanation of Solution
The molar mass of
Mass of
Thus the moles of
(b)
Interpretation:
Number of moles of
(b)
Answer to Problem E.29E
Number of moles of
Explanation of Solution
The molar mass of
Mass of
Thus the moles of
One mole of
Therefore, the moles of
(c)
Interpretation:
Number of water molecules present in
(c)
Answer to Problem E.29E
Number of water molecules is
Explanation of Solution
The molar mass of
Mass of
Thus the moles of
One mole of
One mole of any substance contains
Therefore, the number of water molecules present is
(d)
Interpretation:
Fraction of total mass of the sample that is due to oxygen has to be calculated.
(d)
Answer to Problem E.29E
Fraction of total mass that is due to oxygen is
Explanation of Solution
The molar mass of
Mass of
Thus the moles of
One mole of
The mass of oxygen atom in
The mass of oxygen atoms in
Therefore, the fraction of mass that is due to oxygen atom is
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Chapter F Solutions
Chemical Principles: The Quest for Insight
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