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Three electrolytic calls A, B, C contain...

Three electrolytic calls A, B, C containing solution `NiSO_(4), AgNO_(3)," and "CuSO_(4)`, respectively are connected in series. A steady current of 1.5 amperes was passede through them until 1.45 g of silver deposited at the cathode of cell B. How long did the current flow ? What mass of copper and Nickel were deposited ? Atomic mass of Ag = 108u, Ni = 58.7u, Cu = 63.5u

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