effusion question pls help!?

the rate of effusion of a particular gas was measured and found to be 15.1ml/min. under the same conditions, the rate of effusion of pure propane (CH3CH2CH3) gas is 35.8ml/min.

what is the molar mass of the unknown gas?
thx

2007-05-01 22:23:56 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

M (gas) = 44(35.8/15.1) ^ 2 = 247.32 g

2007-05-01 22:49:41 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

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