Chemistry

Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 17.3 g of biphenyl in 34.0 g of benzene?

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  1. mols biphenyl = grams/molar mass
    mol benzene = grams/molar mass
    Xbenzene = nbenzene/total mols.

    Pbenzenesoln = Xbenzene*Pobenzene

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