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26 May, 00:59

What is the molar mass of an ideal gas if a 0.800 g sample of this gas occupies a volume of 200. mL at 50.0 oC and 720. mm Hg?

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  1. 26 May, 02:53
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    PV=nRT

    (720/760) (0.200) = (0.800/x) (0.08206) (323.15)

    (0.1894736842) = (0.800/x) (0.08206) (323.15)

    .0071451809 = (0.800/x)

    x=MM=111.9635758 g/mol
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