KVPY SB SX Exam 2011 Question Paper

Question : 44 of 120

Marks: +1, -0

At 298 K. the ratio of osmotic pressures of two solutions of a substance with concentrations of 0.01 M and 0.001 M, respectively, is

Solution:

π = CRT ⇒ π ∝ C at const. T

π_1/π_2=C_1/C_2=0.01/0.001=10

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