What is the molar mass of the unknown gas? | Cheap Nursing Papers

What is the molar mass of the unknown gas?

 What is the molar mass of the unknown gas? if the rate of effusion of a particular gas was measured and found to be 26.9 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 47.8 mL/min.

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