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###### .500 g of gas collected over H,O at 29.0*C and 740.9 mm Hg occupies volume of 217.2 mL; The vapor pressure of HzO at 29.0*C is 30.0 mm Hg: What is the molar mass of the gas? PV = n Rt Answer_

.500 g of gas collected over H,O at 29.0*C and 740.9 mm Hg occupies volume of 217.2 mL; The vapor pressure of HzO at 29.0*C is 30.0 mm Hg: What is the molar mass of the gas? PV = n Rt Answer_

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