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1 March, 01:25

As you saw in Part B, the vapor above the cyclohexane-acetone solution is composed of both cyclohexane vapor and acetone vapor. What mole fraction of the vapor above the solution, Xcy (vapor) Xcy (vapor), is cyclohexane?

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  1. 1 March, 02:51
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    The mole fraction of a gas is linked to its partial pressure in the mixture.

    Cyclohexane, in gaseous form has partial pressure of 97.6 torr (0.355) = 34.6 torr.

    Hence the mole fraction of cyclohexane = 34.6 / 183 = 0.189
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