Chemistry

Problem

An acidic solution of

\text{Cu}^{2+}

salt containing 0.4 g of

\text{Cu}^{2+}

is electrolysed until all the Cu is deposited. The electrolysis is continued for seven more minutes with the volume of solution kept at 100 mL and the current at 1.2 ampere. Calculate volume of gases evolved at NTP during entire electrolysis. (Atomic mass of Cu = 63.6)

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