2. To 100 ml of 0.03% NaCl solution (ρ=1g/ml) was added 250 ml of 0.001M AgNO3 solution. Write the formula for a micelle sol. Which of the following electrolytes will cause coagulation of this sol with the lowest coagulation threshold: KCl, Ba(NO3)2, MgSO4, AlCl3?
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