4%w/v urea solution is isomerise to 12% solution of another organic compound a find the molecular weight of the compound class 12th chemistry short answer de
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Correct option is
A
60
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,
342
5
=
molar mass of urea
0.877
.
Hence, the molar mass of urea is 60 g/mol.
Explanation:
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