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partial pressure of oxygen

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A gas sample containing N2 and O2 was found to contain 72% N2. If the pressure of the sample was 2.0 atm, what is the partial pressure of O2?

A. 0.56 ATM
B. 0.28 ATM
C. 1.44 ATM
D. O.72 ATM
E. 0.43 ATM

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Solution Summary

It finds the partial pressure of O2 given the total pressure of the mixture. The solution is detailed and received a '5/5' rating from the student who posted the question.