57. Решение задачи по химии №20

89. For a sample of cellulose dissolved in a copper-ammonia solution at 20 C, the value of the characteristic viscosity [n] = 1.01 was determined. Calculate the molecular weight of cellulose if the values ​​of the constants in the Mark-Kuhn equation are: K = 1.96 * 10-4 and a = 0.65

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