73. Solving a chemistry problem
16. As a result of coagulation of Ag2SO4 hydrosol stabilized with Na2SO4, a precipitate is obtained. Get again a colloidal solution by dissolution peptization. Give a diagram of the process and determine the sign of the charge of a colloidal particle. How does the addition of the AgNO3 electrolyte to the resulting electrolyte solution affect the value and sign of φ0?
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