The Total Pressure Exerted by a Mixture of the Three

question 29

Multiple Choice

The total pressure exerted by a mixture of the three gases, oxygen, nitrogen, and water vapor, is 742 mm of Hg. The partial pressure of oxygen and nitrogen in the sample are 581 mm of Hg and 143 mm of Hg respectively. What is the partial pressure of water vapor in this mixture?

• A) 18 mm of Hg
• B) 304 mm of Hg
• C) 724 mm of Hg
• D) 1180 mm of Hg
• E) 1466 mm of Hg

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