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November 27, 2014

Homework Help: science-chemistry

Posted by Bryan on Sunday, April 29, 2012 at 3:34pm.

please anwser soon, a rigid 4.10L flask contains a mixture of 1.25 moles of H2, 0.250 mole of O2, and sufficient Ar so that the partial pressure of Ar in the flask is 1.00 atm. The temperature is 63.5 degrees C
A) Calculate the total pressure in the flask
B) calculate the mole fraction of H2 in the flask
C) calculate the density g/L of the mixture in the flask.

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