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April 20, 2014

Homework Help: Chem AP help!

Posted by Daya on Monday, March 12, 2012 at 4:52pm.

A zinc-copper battery is constructed as follows at 25C:
Zn | Zn2+(0.15 M) || Cu2+(1.70 M) | Cu
The mass of each electrode is 150. g.
The cell potential when the cell is first attached is 1.13V

How long can this battery deliver a current of 5.00 A before it goes dead?

I tried using the method posted from a previous user, but it doesnt work!! i keep getting 24.6 hrs after using factor label. Maybe the Molarties play a part, but I dont know how...please help me!

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