111. Solving a chemistry problem

111. Solving a chemistry problem

86. Plot the dependence of the reduced osmotic pressure π / Cm on the concentration of a solution of a copolymer of styrene and methacrylic acid in toluene (T \u003d 300K) according to the following data:
Cm, g/l 1.1 2.8 5.4 7.6 9.4 8.5
π *10-2, Pa 0.098 0.373 1.064 1.874 2.717 2.330
Calculate the molar mass of the copolymer and the coefficient b.

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