How many grams of sucrose should be dissolved in 100g water in order to produce a solution having difference between the freezing point and the boiling point temperatures at 105.00C ?

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answer is 2.

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Detailed Solution

Given, Tb - Tf =105ocTb= BP of a solution ; Tf = FP of a solutionFor water, Kb = 0.52 KKgmole-1 , Kf =1.86 KKgmole-1 Given, Tb - Tf =105oc Given , Wwater=100gmWsucrose = 72.8gm

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