94. Solving a chemistry problem
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94. Solving a chemistry problem
42 Determine the percentage of indifferent impurities in a sample of copper sulphate, if after dissolving its sample a in nitric acid and electrolysis of the resulting solution, X copper is isolated on a platinum cathode:
Options A B C
aCuSO4*5H2O, g 0.4556 0.5237 0.6274
ХCu, g 0.1145 0.1322 0.1586
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