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23 April, 20:52

Predict the mole fraction of b in the vapor produced when a mixture of 0.70 mole fraction of a and 0.30 mole fraction of b boils.

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  1. 23 April, 21:47
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    Mole fraction of a component in a solution is the ratio of the number of moles of that component to the total number of moles of all component in a solution.

    total moles = 0.30 + 0.70=1.00

    mole fraction of b={ (0.30 x100) / (1 x100) }=3/10
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