Homework Help: chemistry

Posted by Anonymous on Wednesday, January 9, 2013 at 2:03pm.

a 12.5 g sample of oxygen gas is added to a 25.og sample of nitrogen gas in a 25.0L'Container at 28 C. Calculate the partial pressure of each gas and the total pressure of he mixture. answer

chemistry - DrBob222, Wednesday, January 9, 2013 at 3:57pm
mols O2 = grams/molar mass.
mols N2 = grams/molar mass.

PV = nRT, use n for each gas and solve for P. Don't forget T must be in kelvin.
Then total P = pO2 + pN2.

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