Winter Final 2012 #3

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Christina Cen 2J
Posts: 53
Joined: Sat Jul 22, 2017 3:01 am

Winter Final 2012 #3

Postby Christina Cen 2J » Fri Mar 16, 2018 7:28 pm

For this problem it tells us that there is CrCl3 (aq), CuSO4 (aq), copper wire, and chrome plated metal. How do we know that the copper wire is the cathode and that the chrome plated metal is the anode?

Xin He 2L
Posts: 38
Joined: Fri Sep 29, 2017 7:05 am

Re: Winter Final 2012 #3

Postby Xin He 2L » Fri Mar 16, 2018 7:36 pm

The resulting charge of the anode and the cathode needs to be positive if it's a galvanic cell, so find the equations for the two metals and then pick which is the anode and which is the cathode based on that information.

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