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What is the molar mass of the unknown gas

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Reference no: EM132412949

It takes 14.1 minutes for a 10.0 mL sample of an unknown gas to effuse through a pinhole. A 10.0 mL sample of helium, He, required 3.63 minutes. What is the molar mass of the unknown gas?

Give your answer in grams per mole (g mol-1), accurate to three significant figures

Reference no: EM132412949

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