Answer to Question #169375 in General Chemistry for lyndsey

Question #169375

A gas mixture containing oxygen, nitrogen, and helium exerts a total pressure of 925 torr .


If the partial pressures are oxygen 445 torr and helium 50 torr, what is the partial pressure (torr) of the nitrogen in the mixture?


1
Expert's answer
2021-03-08T05:58:51-0500

PTotal=925 torr , PO = 445 torr , PHe = 50 torr

PTotal = PO + PHe + PN

PN = PTotal - PO - PHe

PN = 925 - 445 - 50

PN = 430 torr

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