20. Solving a chemistry problem

20. Solving a chemistry problem

42. The content of thiourea was determined by the amperometric method by titrating it with mercury (II) ions. Preliminarily, the exact concentration of the Hg(NO3)2 solution was determined using the same method. For titration, a solution containing 0.0996 g of thiourea CS(NH2)2 was placed in the cell. We got the following results:
VHg(NO3)2. ml...... 0.0 2.0 3.0 4.0 5.0 6.0 6.5 7.0 7.5
Id. uA ................ 0 0 0 1.5 5 8 20 60 95.
Plot the titration curve and calculate T(Hg(NO3)2/ CS(NH2)2)

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