128. Solving a chemistry problem
To cause coagulation of 10.0 ml of Fe(OH)3 hydrosol obtained by hydrolysis of iron (III) chloride, solutions of the following electrolytes were added:
Electrolyte KCl Na2SO4 Na3PO4
V, ml 8.0 1.0 0.6
С, mol/l 3.0 0.4 0.05
Calculate the coagulation thresholds, determine the sign of the charge of the colloidal particle and write the micelle formula.
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