
Concept explainers
(a)
Interpretation:
Mass of oxygen in
Concept Introduction:
Moleis S.I. unit. The number of moles is calculated as ratio of mass of compound to molar mass of compound.
Molar mass is sum of the total mass in grams of all atoms that make up mole of particular molecule that is mass of 1 mole of compound. The S.I unit is g/mol.
The expression for number of moles, mass and molar mass of compound is as follows:
(a)

Answer to Problem 11.8P
Mass of oxygen in
Explanation of Solution
The formula to calculate number of moles of
Substitute
1 mole
The formula to calculate number of moles of
Rearrange equation (2) to calculate mass of
Substitute
(b)
Interpretation:
Mass of fluorine in
Concept Introduction:
Refer to part (a).
(b)

Answer to Problem 11.8P
Mass of fluorine in
Explanation of Solution
The formula to calculate number of moles of
Substitute
1 mole
The formula to calculate number of moles of
Rearrange equation (5) to calculate mass of
Substitute
(c)
Interpretation:
Mass of water in
Concept Introduction:
Refer to part (a).
(c)

Answer to Problem 11.8P
Mass of water in
Explanation of Solution
The formula to calculate number of moles of
Substitute
1 mole
The formula to calculate number of moles of
Rearrange equation (8) to calculate mass of
Substitute
(d)
Interpretation:
Mass of carbon in
Concept Introduction:
Refer to part (a).
(d)

Answer to Problem 11.8P
Mass of carbon in
Explanation of Solution
The formula to calculate number of moles of
Substitute
1 mole
The formula to calculate number of moles of
Rearrange equation (11) to calculate mass of
Substitute
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Chapter 11 Solutions
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