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 0.21, how much oxygen is utilized per liter of air breathed?
A) 5.2 mL
B) 11 mL
C) 158 mL
D) 14 mL
E) 21 mL
Correct Answer:
Verified
Correct Answer:
Verified
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