5. Solving a chemistry problem
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5. Solving a chemistry problem
281. 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. Which of the recommended substances is the most economical coagulant for this sol?
Option A B C Coalescer
281 CoCl2 (NH4)2S CoS NaCl K2SO4; CaCl2;
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