Consider the given half‑reactions that occur at the cathode and anode in an electrolysis reaction at T=298 K.
cathode:Al3+(aq,0.20 M)+3e−−⇀↽−Al(s)
anode:Au(s)−⇀↽−Au3+(aq,0.21 M)+3e−
Standard reduction potentials can be found in the table of standard reduction potentials.
What voltage must be applied to drive the net reaction if current is negligible?
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