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CGP EDU Academic Team
Published on: August 13, 2026
Copper sulphate solution (250mL) was electrolysed using a platinum anode and a copper cathode. A constant current of 2 mA was passed for 16 minutes. It was found that after electrolysis the absorbance of the solution was reduced to 50% of its original value. Calculate the concentration of copper sulphate in the solution to begin with.
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7.95 x 10 –5 mol./lit.
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