102. Build a graph and determine the half-wave potentia

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102. Build a graph and determine the half-wave potential of the element if, after polarography of the test solution against the background of the buffer mixture, the following data were obtained:
Potential, V 0.05 0.1 0.125 0.124 0.145 0.175 0.2 0.275
Current, μA 5.8 6.2 12.5 27.5 32 32.5 32.5 38