The partial pressure of oxygen in a sample of air is 452 ...
The partial pressure of oxygen in a sample of air is 452 mm Hg and the total pressure is 780 mm Hg. What is the mole fraction of oxygen?
0.203
0.579
2.030
5.790
Correct answer is B
Mole fraction = Partial pressure of componentTotal pressure of compound
= 452780
= 0.579
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