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? asked in Science & MathematicsChemistry · 2 years ago

chemistry question?

A 0.113 g sample of a gas exerts a pressure of 780 torr in a 50.4 mL container at 23◦C. What is the molar mass of this gas?

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  • Roger the Mole
    Lv 7
    2 years ago
    Favorite Answer

    n / V = P / RT = (780 torr) / ((62.36367 L torr/K mol) x (23 + 273) K) = 0.0422543 mol/L

    (0.113 g) / (0.0504 L) / (0.0422543 mol/L) = 53.1 g/mol

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