The difference between the boiling point and freezing point of an aqueous solution containing sucrose (mol wt. = 342 g$mol^{- 1}$) in 100 g of water is $105.0^{\circ}C.$ If $K_{f}and\ K_{b}\$of water are 1.86 and 0.51 K kg $mol^{- 1}$ respectively, the weight of sucrose in the solution is about

Question

Dr. Abubacker · Accepted Answer

(a)
Molarity of urea =$\frac{\frac{6}{60}}{\frac{100}{1000}}\  = 1M$
Hence, 1 M solution of glucose is isotonic with 6% urea solution.

Q. The difference between the boiling point and freezing point of an aqueous solution containing sucrose (mol wt. = 342 g$mol^{- 1}$) in 100 g of water is $105.0^{\circ}C.$ If $K_{f}and\ K_{b}\$of water are 1.86 and 0.51 K kg $mol^{- 1}$ respectively, the weight of sucrose in the solution is about

Explanation

Reviewed by Dr. Abubacker

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