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OpenStudy (anonymous):
Why is the oxidation number for MnCO2 Mn +2 C +4 O -2 I get why O is -2.. it's a rule but what is up with the Mn and the C?
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OpenStudy (aaronq):
with compounds that contain carbon you have to draw the structure and assign formal charges
OpenStudy (anonymous):
Oops it is MnCO3
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