1. A magnesium hydroxide sol was obtained by adding 20 ml of an aqueous solution of magnesium nitrate with a concentration of 0.003 mol/l to 10 of an aqueous solution of barium hydroxide with a concentration of 0.006 mol/l. Write the formula of the micelle of the resulting sol. How is the sol particle charged? Which of the following electrolytes will have a stronger coagulating effect: aluminum chloride, copper sulfate or potassium phosphate. Explain your choice.

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