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    Density of an Ideal Gas

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    A gas mixture was found to have a density of 0.26 g/L at 20 C and 0.245 atm. What was the average molar mass of the molecules?

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    Solution Preview

    For these questions, it is best to combine three well known equations...

    Ideal gas Law (PV = nRT)

    P = pressure
    V = volume
    n = number of moles
    R = Ideal gas constant
    T = temperature in ...

    Solution Summary

    The density of an ideal gas is determined. The average molar mass of the molecule is determined.