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Course: AP®︎/College Chemistry > Unit 4

Lesson 5: Oxidation–reduction (redox) reactions
Science
AP®︎/College Chemistry
Chemical reactions
Oxidation–reduction (redox) reactions
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Oxidation–reduction (redox) reactions

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Problem

Oxidation:Cu(s)→CuA2+(aq)+2e−Reduction:MnOA4A−(aq)+4HA+(aq)+3e−→MnOA2(s)+2HA2O(l)
When the half-reactions listed above are combined into a balanced chemical equation, the ratio of the coefficients Cu(s):MnOA4A−(aq) is
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