336. To obtain a colloidal solution of Fe4[Fe(CN)6]3, K4[Fe(CN)6] with a concentration of 0.007 mol/l and a volume of 6 ml was added to a solution of FeCl3 with a concentration of 0.008 mol/l and a volume of 8 ml.
Specify:
1. Method and method for obtaining a colloidal solution;
2. Formula of micelles, name the components.
3. To which electrode will the dispersed phase move during electrophoresis?
4. Which K2SO4 ion causes coagulation of the sol?

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