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
Correct Answer:

Verified
Correct Answer:
Verified
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