An industrial electrolytic process for producing aluminum uses the reactions shown in the following equations. Anode(oxidation)C(s)+2O2−(aq)⟶CO2(g)+4e−Anode(oxidation)C(�)+2O2−(��)⟶CO2(�)+4e− Cathode(reduction)Al3+(aq)+3e−⟶Al(s)Cathode(reduction)Al3+(��)+3e−⟶Al(�) How long would it take to produce enough aluminum to make a case (24 cans) of aluminum soft drink cans if each can used 5.502 g of aluminum, a current* of 285 kA was employed, and the current efficiency was 93%?

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter19: The Chemistry Of The Main-group Elements
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An industrial electrolytic process for producing aluminum uses the reactions shown in the following equations.

Anode(oxidation)C(s)+2O2−(aq)⟶CO2(g)+4e−Anode(oxidation)C(�)+2O2−(��)⟶CO2(�)+4e−
Cathode(reduction)Al3+(aq)+3e−⟶Al(s)Cathode(reduction)Al3+(��)+3e−⟶Al(�)

How long would it take to produce enough aluminum to make a case (24 cans) of aluminum soft drink cans if each can used 5.502 g of aluminum, a current* of 285 kA was employed, and the current efficiency was 93%?

 

*That is not a typo; the currents used in aluminum production are huge, which is why recycling aluminum is usually more economical than producing it from ore.

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