Homework Help: chemistry

Posted by hellogoodbie on Monday, January 11, 2010 at 8:41pm.

I am now stumped on another problem.
How many times greater is the rate of diffusion of helium gas,HE, than that of carbon dioxide gas CO{tiny 2 at bottom}, at the same temperature and pressure?
please tell me how to set this problem up and tips on how to do it.

chemistry - DrBob222, Monday, January 11, 2010 at 8:50pm
Graham's Law again.

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