124. Solving a chemistry problem
Determine the molar mass of the polystyrene fraction using the following data on the osmotic pressure of its solution in toluene at 25.0 C
C, g/l 1.75 2.42 2.85 4.35 6.5 8.85
π, Pa 30.4 42.7 52.0 86.3 146 231
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