3. Calculate the concentration of cadmium in the solution if, when analyzing 15 ml of a solution containing Cd2 using the addition method, the height of the polarographic wave of cadmium was 20.5 mm, and after adding 2 ml of a standard 0.053 mol/l solution of cadmium chloride, the wave height increased to 24.3 mm.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.