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How to Balance Redox Reactions

Balance the redox reaction:

[Cr2O7]-2 + H2O2 ---> Cr3 + O2

When Zn + CoCl3 ---> ZnCl2 + CO is properly balanced, what is the total change in the number of electrons in zinc?

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Solution Summary

Discussed how to balance redox reactions and provides a breakdown for the chemical reactions.