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Unformatted text preview: P ben = 94.6 torr P tol = 29.1 torr Comparison to Henrys Law Raoults Law two components P total = P A + P B = X A,liq P A,pure + X B,liq P B,pure vapor pressure above nearly a pure solvent Henrys Law two components S = k H x P solubility of vapor into a pure solvent 3 Fractional Distillation Separation of liquid mixtures on basis of boiling point Vapor is richer in more volatile component Successive boiling and condensing steps Osmosis Flow of solvent through a semi-permeable membrane into a solution Driven by concentration differences Solute blocks flow of solvent Osmotic pressure pressure to stop solvent flow = RT x molarity Consequences Osmometry determination of MW Desalination reverse osmosis Cell nutrient regulation...
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This note was uploaded on 04/23/2008 for the course CHEM 2B taught by Professor Clemens during the Winter '08 term at UC Davis.
- Winter '08