0.5 mol of a cation required 144 750 C of electricity to be completely discharged. Calculate the charge on the cation.?
The quantity of electricity required to discharge 1 mole of univalent ion is approximately 96500 C
If 0.5 mol: 0.5*96500=48250 C;
144750/48250= 3
Answer: the charge is 3+
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