When electricity (the flow of electrons) is passed through a solution, it causes

Question

When electricity (the flow of electrons) is passed through a solution, it causes an oxidation-reduction (redox) reaction to occur. If the solution contains a metal cation such as Ag+, the flow of electrons will reduce the silver ion, causing solid silver to plate onto the electrode. The amount of metal plated depends on the number of electrons passed.

The total charge of a mole of electrons is 96,500 coulombs (C) and

What mass of Cu(s) is electroplated by running 19.5A  of current through a Cu2+(aq) solution for 4.00 h?

How many minutes will it take to electroplate 16.1g  of gold by running 5.00 A of current through a solution of Au+(aq)?Au+

Explanation / Answer

Part A
Cu2+(aq) + 2e

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