# what is the partial pressure in torr due to nitrogen?

The total pressure of a nitrox II gas mixture for scuba diving is 2.432 atm. If the oxygen in the mixture has a partial pressure of 570 torr, what is the partial pressure in torr due to nitrogen?

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- hcbiochemLv 73 weeks ago
The partial pressure of O2 = 570 torr/ 760 torr/atm = 0.750 atm

So, the partial pressure of N2 = (2.432 atm - 0.750 atm) X 760 torr/atm = 1278 torr

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