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) 8.1 × 10- 4
B) 0.12
C) 1.2 × 103
D) 0.81
E) 1.2
Correct Answer:

Verified
Correct Answer:
Verified
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