131.Solving a chemistry problem

131.Solving a chemistry problem

2. Zinc sulfide sol was obtained by reacting solutions of ZnCl2 and Na2S. Determine the sign of the charge of the colloidal particle, check the feasibility of the Deryagin-Landau equation, write the formula of the micelle if 10 ml of sol was consumed for coagulation:
Electrolyte KCl K2CrO4 MgCl2 K3PO4
C, mol/l 5.0 0.1 2.5 0.01
V, ml 3.6 3.0 3.6 2.5

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