chemistry
posted by Anonymous .
An experiment shows that a 250mL gas sample has a mass of 0.433g at a pressure of 740 mmHg and a temperature of 29 C.
What is the molar mass of the gas?

chemistry 
DrBob222
Use PV = nRT to determine n.
Then n = grams/molar mass. You know n and grams, calculate molar mass.
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