18. Solving a chemistry problem

18. Solving a chemistry problem

759(4). Determine the concentration of nickel (mg/ml) in the test solution, if during amperometric titration of 20.0 ml of a solution with an alcohol solution of dimethylglyoxime (DMHO) with a nickel titer of 0.00203 at E = -1.76V, the following results were obtained:
VDMHO, ml 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
I, μA 260 235 191 158 124 100 148 171 240

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