Question

the concentration of sulphuric acid decreases at the cathode and increases at the anode but the total concentration of the acid does not change. Why?​

Answer 1

What happens when acidified water is Electrolysed?
In the simple electrolysis cell, the graphite (carbon) electrodes are, through a large rubber bung, 'upwardly' dipped into an solution of acidified water. ... The electrolyte is dilute sulfuric acid (= acidified water) which, during electrolysis is split into hydrogen and oxygen gases.
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