74. Solving a chemistry problem

74. Solving a chemistry problem

I.20. The instability constant of the [CdI4]2− ion is 7.94•10−7. Calculate the concentration of cadmium ions Cd2 in a 0.1 M solution of the complex salt K2[CdI4] containing 0.1 mol of iodine ions I− in 1 liter of the solution.

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