Question 4 2013 Practice Final


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Armani Dodson 1A
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Joined: Fri Jul 22, 2016 3:00 am

Question 4 2013 Practice Final

Postby Armani Dodson 1A » Thu Mar 16, 2017 1:24 am

How do they get n=4 for #4 on the 2013 practice final??

Shushanna S 3F
Posts: 24
Joined: Sat Jul 09, 2016 3:00 am

Re: Question 4 2013 Practice Final

Postby Shushanna S 3F » Thu Mar 16, 2017 11:51 am

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!


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