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The Mole Fraction of Oxygen in Dry Air near Sea

Question 126

Multiple Choice

The mole fraction of oxygen in dry air near sea level is 0.20948,where the molar mass of oxygen is 31.998.The partial pressure of oxygen when the total atmospheric pressure (dry air) is 97.5 kPa is The mole fraction of oxygen in dry air near sea level is 0.20948,where the molar mass of oxygen is 31.998.The partial pressure of oxygen when the total atmospheric pressure (dry air) is 97.5 kPa is A) 471 B) 14.7 C) 20.7 D) 661 E) 0.646


A) 471
B) 14.7
C) 20.7
D) 661
E) 0.646

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