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    How to calculate vapor pressure

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    The density of acetone vapor in equilibrium with liquid acetone, (CH3)2CO, at 32 degrees Celsius is 0.876 g/L. What is the vapor pressure of acetone, in mmHg, at 32 degrees Celsius? (Use correct significant figures.)

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    Solution Preview

    According To Gas Law:

    P = d/M * RT

    where P = pressure = ?
    d = density = 0.876 g/L

    Solution Summary

    Gas Law expression P = d/M * RT can be used for the calculation of vapor pressure. The vapor pressure of acetone is determined.