Sunday
April 19, 2015

Homework Help: Chemistry

Posted by Mary on Thursday, April 14, 2011 at 3:48pm.

A closed container with a mixture of hydrogen, helium, and argon has a total pressure of 3.00 atm. The partial pressure of hydrogen is 0.550 atm and the partial pressure of argon is 615 mm Hg. What is the partial pressure of helium?

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