Question

A sample of gas is collected by water displacement. The atmospheric pressure in the room is 757mmHg and the vapor pressure of water is 17.5mmHg. What is the partial pressure of hydrogen under these conditions?

Mar 27, 2016

ptotal = pH2 + pH2O
ptotal = 757
pH2O = 17.5
pH2 = ? Substitute and solve.

Mar 28, 2016

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