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14.9b

Posted: Thu Feb 28, 2019 2:51 pm
by Vanessa Reyes_1K
For this problem, why does the n=6??

Re: 14.9b

Posted: Thu Feb 28, 2019 4:25 pm
by Jennifer Su 2L
Because the balanced half reactions are:
(6Fe^3+) + (6e-) ----> (6Fe^2+)
(2Cr^3+) + (7H2O) -----> (Cr2O7^-2) + (6e-) + (14H+)

So 6 moles of electrons are transferred.