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P9.16 The dissolution of 14.5g of a substance in 450 . g of benzene at 298K raises the boiling point by 0.855C. Note that Kf=5.12Kkgmol1,Kb=2.53Kkgmol1,

P9.16 The dissolution of 14.5g of a substance in 450 . g of benzene at 298K raises the boiling point by 0.855C. Note that Kf=5.12Kkgmol1,Kb=2.53Kkgmol1, and the density of benzene is 876.6kgm3. Calculate the freezing point depression, the ratio of the vapor pressure above the solution to that of the pure solvent, the osmotic pressure, and the molar mass of the solute. Pbenzene=103 Torr at 298K

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