Homework Help: chemistry

Posted by Ellie on Monday, June 21, 2010 at 11:06am.

the molar mass of an unknown gas was measured by an effusion experiment. it took 63s for te gas to effuse. where as nitrogen gas took 48sec. what is the molar mass of the gas?
32g/mol
37g/mol
24g/mol
16g/mol
48g/mol

chemistry - DrBob222, Monday, June 21, 2010 at 12:02pm
rateu/raten = sqrt(molar mass N2/molar mass U)

u = unknown
n = nirtogen

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