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The rate of effusion of a particular gas was measured to be 28.6 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 48.4 mL/min. What is the molar mass of the unknown gas? g/mol

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Hp ouon nati = 48.4 mLjah Inun Mysguarry both did =I.IMunkran gaD

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