21. Solving a chemistry problem
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21. Solving a chemistry problem
4. During polarography of Cu(II) standard solutions, it was found:
Cu content, % 0.10 0.19 0.30 0.41 0.54
wave height, mm 6 12 20 26 35
Determine the content of Cu(II) in the analyzed solution if the height of the polarographic wave for it is 15 mm.
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