14.15a

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Kyra LeRoy 1E
Posts: 52
Joined: Sat Jul 22, 2017 2:00 am

14.15a

Postby Kyra LeRoy 1E » Mon Feb 19, 2018 7:46 pm

For the half-equations
Ag+(aq) + e- -> Ag(s) (cathode)
and
Ag(s) + Br-(aq) -> AgBr(s) + e- (anode)
the cell diagram in the solutions says

Ag(s)|AgBr(s)|Br-(aq)||Ag+(aq)|Ag(s)

Why are the Ag(s) and AgBr(s) in the left half separated by a vertical line instead of a comma, even though they are in the same state?

Thanks!

mayasinha1B
Posts: 70
Joined: Fri Sep 29, 2017 6:04 am

Re: 14.15a

Postby mayasinha1B » Mon Feb 19, 2018 8:45 pm

You only use a comma if both are in the aqueous state and therefore in the same solution


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