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2. (8 points) 2.07x10-3 mol of an unknown gas effuses through a tiny hole in 217.25 s. Under identical conditions, 4.35*10-4 mol argon gas takes

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2. (8 points) 2.07x10-3 mol of an unknown gas effuses through a tiny hole in 217.25 s. Under identical conditions, 4.35*10-4 mol argon gas takes 203.25 s to effuse. What is the molar mass of the unknown gas in g/mol ? b. Under identical conditions, how many moles of CO2 gas would effuse in 200.0 s? a

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