CH-1803
Half-equations
Chemistry · Secondary 4 · Medium · Half-equations
A solution contains 0.010 mol of copper(II) ions, .
How many moles of electrons are needed to convert all the ions to copper metal during electrolysis?
(Use the half‑equation .)
How many moles of electrons are needed to convert all the ions to copper metal during electrolysis?
(Use the half‑equation .)
- 0.020 mol
- 0.0050 mol
- 0.010 mol
- 0.040 mol
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