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CGP EDU Academic Team
Published on: August 13, 2026
Insulin (C 2 H 10 O 5 ) n is dissolved in a suitable solvent and the osmotic pressure π of the solution of various concentration (in kg/m 3 ) is measured at 20ºC. The slope of a plot of π against c is found to be 8.134 × 10 –3 (SI units) The molecular weight of the insulin (in kg/mol) is :
Text Solution
Verified by ExpertsThe correct answer is:
C
π = CRT
π = 
C = moles/liter, c = kg/m 3
= 
M = 
[ π /c = 8.314 × 10 –3 ]
[T = 293 k]
M = 
= 293 × 10 3
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