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Chemistry 101

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A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?

  • Chemistry 101 -

    Use PV = nRT which can be re-arranged to
    PV = (g/M)RT where M is the molar mass. Since density = g/L, we can substitute to make it
    PVM = gRT and
    PM = (g/V)RT.
    Solve for M

  • Chemistry 101 -

    what is mmHg

  • Chemistry 101 -

    thank you

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