102. Solving a chemistry problem

102. Solving a chemistry problem

43. With a sufficiently slow introduction of substance B into a dilute solution of substance A, the formation of a hydrosol of substance C is possible. Write the formulas of micelles and indicate the sign of the electric charge of the colloidal particles of this sol.
Substance A-Ba(NO3)2; Substance B-Na2SO4; Substance C-BaSO4;

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