98. Solving a chemistry problem

98. Solving a chemistry problem

13. What amount of K2Cr2O7 electrolyte solution should be added to 1*10-3 m3 of Al2O3 sol to cause its coagulation? The electrolyte concentration is 0.015 kmol/m3, the coagulation threshold is 0.63*10-3 kmol/m3.

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