1011. Solving a chemistry problem
2. What is the maximum volume of 0.005 mol/L sodium bromide solution that can be added to 20 mL of 0.004 mol/L silver nitrate solution to obtain a sol with positively charged granules? Which electrolyte has the maximum coagulating effect in relation to the resulting sol: nickel sulfate, potassium hexacyanoferrate (II), sodium phosphate?
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