alleryAir at 33.7 kPa total pressure is 21% oxygen. What is its pO2?
A21.0 kPa
B7.1 kPa
C12.7 kPa
D3.4 kPa
Answer & Solution
Correct answer: B. 7.1 kPa
Partial pressure is the gas fraction times total pressure, so 0.21 x 33.7 kPa is about 7.1 kPa.
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