A volume of 35.0 mL of nitrogen gas was collected over water at 24 degrees C and 99.1kPa. The vapor pressure of water at this temperature is 2.99 kPa.

What is the pressure of the nitrogen gas alone?

3 answers

Dalton's Law of Partial Pressures says that the total pressure of the gases in a vessel is the sum of the individual partial pressures. Therefore,
Ptotal = PN2 + PH2O.

96.11 kPa

56

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