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Answer:
32.8% by mass??
100 g = 32.8 g of N2 + 67.2 g of O2
32.8/28 = 1.17 moles of N2
67.2/32 = 2.1 moles of O2
What is the partial pressure of oxygen?
P(O2 ) = ( 2.1 /3.27)*785 = 504.1 mmHg (answer)
Step-by-step explanation:
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