Problem: An experiment shows that a 105 mL gas sample has a mass of 0.181 g at a pressure of 717 mm Hg and a temperature of 30°C. What is the molar mass of the gas? 

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An experiment shows that a 105 mL gas sample has a mass of 0.181 g at a pressure of 717 mm Hg and a temperature of 30°C. What is the molar mass of the gas?