Posted by Camarra on Thursday, April 22, 2010 at 4:21pm.
C'mon. I derived an equation for you this morning. All you need to do is to substitute and solve.
P*M = (g/L)*R*T
P is pressure in atmosphere. You show it in torr. torr/760 = atm. M is molar mass. g/L is density. R is a constant = 0.08206 and T is temperature in Kelvin. Plug and chug.
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