Solving a chemistry problem

8. To obtain colloidal solution C, B with concentration cA and volume VA was added to solution A with concentration cA and volume VA.
Specify:
1) method and method for obtaining a colloidal solution;
2) potential-forming ions, counterions.
3) the formula of the micelle and name its components
4) sign of the sol charge.
5) to which electrode the dispersed phase will move during electrophoresis;
6) which electrolyte ion E causes a decrease in ζ - potential

N
var A B C
colloidal solution E
coagulant electrolyte
substance CA, mol/l V¬A, ml substance CB, mol/l V¬B, ml
1 2 3 4 5 6 7 8 9
7-8 Ba(NO3)2 0.020 12 K2SO4 0.015 24 BaSO4 KCl