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Andrew has a closed flask of 70% Nitrogen and 30% Oxygen. The total pressure of the flask was determined to be 5 atm. What is the partial pressure of oxygen in the flask?
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Andrew has a closed flask of 70% Nitrogen and 30% Oxygen. The total pressure of the flask was determined to be 5 atm. What is the partial pressure of oxygen in the flask?

User Piotr Wach
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The total pressure is 5atm. That includes nitrogen and oxygen. Since the flask has 30% oxygen, the partial pressure of oxygen is 0.30*5 = 1.5 atm.
User Rajit
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