MediumNEET TEST
+4 / -1
At certain temperature a 5.12% solution of cane sugar is isotonic with a 0.9% solution of an unknown solute. The molar mass of the solute is:
A
60
B
46.17
C
120
D
90
Explanation
Solution having the same osmotic pressure is called isotonic solutions. cane sugar (unknown solute) 5.12/342 = 0.9/M ⇒ M = 60.
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