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Cathode Ray Experiment

A current of ...

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A current of 4 ampere was passed for 1.5 hours through a solution of copper sulphate when 3.2g of copper was deposited.calculate the current effeciency.

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of copper is deposited in a copper voltameter when an electric current of

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was deposited on passage of a current of 0.5 ampere for 30 minutes through a solution of copper sulphate. What is the electrochemical equivalent of copper?

Q. A current of 0.1A was passed for 4hr through a solution of cuprocyanide and 0.3745 g of copper was deposited on the cathode. Calculate the current efficiency for the copper deposition:

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