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112. Solving a chemistry problem

112. Solving a chemistry problem

Seller: Derkach

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Product description

Rapid coagulation of 75 ml of alumina sol (whose charge is positive) is observed when 4.11 ml of a 1 mol/l KCl solution is added to it. Based on the DLVO theory, estimate what is the minimum concentration of the K2Cr2O7 solution so that 1 ml of the solution has a similar effect on the same volume of the Al2O3 sol

Additional information

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.