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[" A solution of non-volatile solute in water fieczes at "-0.30^(@)C" .The vapour pressure of pure water is "],[" at "298K" is "23.5/" mm of Hg and "K_(f)" for water is "1.86K/gg" mol "^(-1)" .Calculare the vapour pressure of "],[" this solution at "298K" ."],[" Given "((62000)/(62180))=0.99]

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