A container of pure helium has a volume of 200 cm3, a temperature of 50oC, and a pressure of 2.0 bar. How many moles of helium are present?

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  • Dr W
    Lv 7
    2 months ago

    new day... same old troll

  • 2 months ago

    n = PV / RT = (2.0 bar) x (0.200 L) / ((0.083144598 L bar/K mol) x (50 + 273) K) =

    0.015 mol

  • 2 months ago

    PV = nRT   or in this case

    n = PV/RT

    Plug in your values and solve

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