131.Solving a chemistry problem

131.Solving a chemistry problem

29. Using the least squares method, obtain a calibration equation based on the results of polarographic measurements of standard solutions of copper (copper):
Copper concentration, mg/ml 0.25 0.5 1.0 1.5 2.0
Polarographic wave height, mm 4.00 9.00 17.50 26.25 35.00

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