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QUESTION

copper sulphate solution 250 ml was electrolysed using a platinium anode and a copper cathode.a constant current of 2A was passed for 16 min.

copper sulphate solution 250 ml was electrolysed using a platinium anode and a copper cathode.a constant current of 2A was passed for 16 min.it was found that after electrolyses the absorbance A of solutions was reduced to 50% of its original value.calculate the concentration of copper sulphate to begin with.

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