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(a) Calculate the osmotic pressure of 0....

(a) Calculate the osmotic pressure of 0.05% urea solution in water at 20°C.
Given R = 0.0821 Latm `mol^(-1) K^(-1)`, Molar mass of urea = `60 g mol^(-1)`.
(b) Give two general characteristics of an ideal solution of two liquids.

Text Solution

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(a) `pi = W_(2)RT/M_(2)V = xx 0.0821 xx 293/60 xx` (b) 1. Obey Raoult.s Law
2. `DeltaH` of mixing is zero.
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