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if 0.896 grams of a gas occupies a 250 ml flask at 20 degrees celcius and 760 mm hg of pressure,what is the molar mass of the gas?

  • chemistry -

    First, note the correct spelling of celsius.
    UsePV = nRT and solve for n = number of mols, then n = grams/molar mass. You have g and n, solve for molar mass.

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