29. Solving a chemistry problem
2. Determine the concentration of cadmium in the solution if, when analyzing 15 ml of a solution containing cadmium by the addition method, the wave height of cadmium was 20.6 mm, and after adding 2.0 ml of a standard solution of CdCl2 with a concentration of 0.053 mol/l, the wave height increased to 24 .4 mm.
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