131. Задачка по химии №013 19367

8.13 PbI2 sol was prepared by mixing equal volumes of 0.004 N. Pb(NO3)2 solution and 0.007 N. KI solution. Determine the sign of the charge of the sol particles. Write the formula of the micelle. Determine the type of coagulation when adding a solution of AgNO3 and NaI to the sol.

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