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The vapour pressure of water at 20Â°C is 17.5 mm Hg. If 18 g of glucose (C6H12O6) is added to 178.2 g of water at 20Â°C, the
vapour pressure of the resulting solution will be
(1) 16.500 mm Hg (2) 17.325 mm Hg (3) 17.675 mm Hg (4) 15.750 mm Hg

#Chemistry #Physical Chemistry

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skygirl ·2009-02-22 07:57:28

this is simple .. apply formula...

Po -P / Po = m2/m1

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skygirl ·2009-02-22 07:58:06

m1 = mole fraction of solvent

m2 = mole fraction of solute

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