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Question 4 2013 Practice Final

Posted: Thu Mar 16, 2017 1:24 am
by Armani Dodson 1A
How do they get n=4 for #4 on the 2013 practice final??

Re: Question 4 2013 Practice Final

Posted: Thu Mar 16, 2017 11:51 am
by Shushanna S 3F
The iron goes from an oxidation state of 0 to +2 (and the oxygen goes from 0 to -2). And since there are two moles of iron and oxygen, 2*2electrons=4 electrons. Hope that helps!