Multiple Choice
The partial pressures of oxygen in atmospheric air and in air exhaled by a human are in the ratio of 4:3. If the mole fraction of oxygen in atmospheric air is 0.210 what is mole fraction of oxygen in exhaled air?
A) 0.213
B) 1.02
C) 0.750
D) 0.158
E) 0.237
Correct Answer:
Verified
Correct Answer:
Verified
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