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October 31, 2014

Homework Help: Chemistry

Posted by Anon on Sunday, December 2, 2012 at 12:45am.

Can someone check my answers?

What is the oxidation state of each element in K2Cr2O7?
K +1
Cr +6
O -2

What is the oxidation state of each element in SO32?
S +4
O -6

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