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

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.