A certain temperature 5 percentage solution of glucose is isotonic with 0.9 percentage solution of unknown solution find the molar mass of solute
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When two solutions are isotonic, they have equal osmotic pressures. But osmotic pressure is directly proportional to the concentration. Hence, the two solutions have equal value of concentrations. Hence, molar mass of cane sugar mass of cane sugar = molar mass of urea mass of urea . Hence, 3 4 2 5 = molar mass of urea 0. 8 7 7 .
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