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A sample of gas weighs 2.832g and has a volume of 1010.0 ML at 775.0 torr and 31.0 degrees Celsius what is its molar mass?

  • Chemistry -

    PV = nRT. Solve for n = moles. Don't forget T must be in kelvin, V in L and P in atm.

    Then n = grams/molar mass. You hae grams and n, solve or molar mass.

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