The concentration of water vapor in a sample of air that has a partial pressure of water of 1.20 torr and a total pressure of air of 695 torr is ________ ppm.

Name: The concentration of water vapor in a sample of air that has a partial pressure of water of 1.20 torr and a total pressure of air of 695 torr is ________ ppm.
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Quizplus · Accepted Answer

The concentration in ppm is calculated by (partial pressure of water vapor / total pressure) × 10^6 = (1.20 / 695) × 10^6 = 1.7 × 10^3 ppm.

The Concentration of Water Vapor in a Sample of Air