117. Задачка по химии №011 789

At 300 K, the polymer solution fills a cylindrical vessel 0.20 m in height; the cross-sectional area of the vessel is 20 cm2, a) If the concentration at the surface of the solution is 95% of the concentration at the bottom, what is the effective molar mass of the polymer? b) Calculate the total mass of polymer in the vessel if the concentration at the bottom is 0.25 mol/m3, c) Calculate the gross concentration of polymer in solution.

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