The Concentration of Water Vapor in a Sample of Air

question 39

Multiple Choice

The concentration of water vapor in a sample of air that has a partial pressure of water of 0.91 torr and a total pressure of air of 735 torr is __________ ppm.

• A)1.2 × 10³
• B)1.2
• C)0.12
• D)8.1 × 10^-4
• E)0.81

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