Homework Help: Chemistry

Posted by Ivy on Sunday, December 12, 2010 at 8:30pm.

A sample of propane gas, C3H8, was collected over water at 25 degree Celsius and 745 torr. The volume of the wet gas is 1.25 L. What will be the volume of the dry propane at standard pressure?

Chemistry - DrBob222, Sunday, December 12, 2010 at 10:06pm
Use PV = nRT and solve for V.
For P, use 745 torr - vapor pressure H2O @ 25C.
Chemistry - Ivy, Sunday, December 12, 2010 at 11:49pm
where would i get N?
Chemistry - Saleem, Wednesday, March 14, 2012 at 4:26pm
As STP a certian mass of gas occupies a volume of 790cm3 find the tempreture it will occupy when the pressure 726mmHg and volume is 1000cm3

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