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An experiment shows that a 231-mL gas sample has a mass of 0.259 g at a pressure of 745 mmHg and a temperature of 39 °C.?
What is the molar mass of the gas?
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- Roger the MoleLv 75 years ago
n / V = P / RT = (745 mmHg) / ((62.36367 L mmHg/K mol) x (39 + 273) K) = 0.03828865 mol/L
(0.259 g) / (0.231 L) / (0.03828865 mol/L) = 29.3 g/mol
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