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posted by laura on Monday, December 5, 2011 at 9:29pm.
A 0.0097561 g quantity of an unknown gas occupies 0.2 L at 500 K and 2 atm. What is the Molecular Weight (MW) of the gas ?
PV = nRT and solve for n = moles, then n = grams/molar mass. Solve for molar mass.
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