CH-1707
Half-equations
Chemistry · Secondary 4 · Medium · Half-equations
In the electrolysis of an aqueous solution of chromium sulfate, 52 g of chromium (Ar = 52) is deposited at the cathode when 3.0 mol of electrons are passed. What is the charge on the chromium ion in the solution?
- 1+
- 2+
- 3+
- 4+
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