
Concept explainers
(a)
Interpretation:
Total moles of gas in mixturehave to be determined.
Concept Introduction:
Here,
(a)

Answer to Problem 69AE
Total moles of gas in mixture are
Explanation of Solution
Rearrange expression (1) to calculate value of
Conversion factor to convert
Substitute
Hence, the total moles of gas in mixture are
(b)
Interpretation:
The number of grams of nitrogen in mixture of gas in mixture has to be determined.
Concept Introduction:
Refer to part (a).
(b)

Answer to Problem 69AE
The number of grams of nitrogen in mixture of gas in mixture is
Explanation of Solution
Moles of oxygen gas can be calculated as follows:
Moles of carbon dioxide can be calculated as follows:
Moles of nitrogen in mixture can be calculated as follows:
Mass of
Hence, the grams of nitrogen in mixture of gas in mixture are
(c)
Interpretation:
Partial pressure of each gas in mixture has to be determined.
Concept Introduction:
Refer to part (a).
(c)

Answer to Problem 69AE
Values of
Explanation of Solution
Mole fraction of
Therefore, partial pressure of
Mole fraction of
Therefore, partial pressure of
Partial pressure of
Hence, the value of
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Chapter 12 Solutions
FOUND.OF COLLEGE CHEMISTRY
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