14.9b

Moderators: Chem_Mod, Chem_Admin

Vanessa Reyes_1K
Posts: 60
Joined: Fri Sep 28, 2018 12:28 am

14.9b

Postby Vanessa Reyes_1K » Thu Feb 28, 2019 2:51 pm

For this problem, why does the n=6??

Jennifer Su 2L
Posts: 47
Joined: Wed Nov 21, 2018 12:20 am

Re: 14.9b

Postby Jennifer Su 2L » Thu Feb 28, 2019 4:25 pm

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.


Return to “Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams”

Who is online

Users browsing this forum: No registered users and 2 guests