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18-08-2022
Chemistry

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The vapor pressure of pure water (molar mass=18.0 g/mole) at 50 oC is 92.5 mm Hg. A solution containing the nonelectrolyte sucrose (molar mass=342 g/mole) has a vapor pressure of 90.8 mm Hg at 50 oC. (i) What is the boiling point elevation (∆Tb)of this solution(Kb(water)=0.520 oC/m)? (ii) If it has a density of 1.08 g/mL, what is the osmotic pressure of this solution at 50 oC?

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