Question: b. A polymer solution in nitrobenzene has a freezing point depression of 4.2C. The Kf of nitrobenzene is 7.50C/m and the molality of the polymer

b. A polymer solution in nitrobenzene has a freezing point depression of 4.2C. The Kf of nitrobenzene is 7.50C/m and the molality of the polymer solution is 0.1mol/kg. The density of nitrobenzene is 1.20g/mL. What is the molar mass of the polymer

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