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AP Chemistry

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Use the oxidation number method to balance the following equations by placing coefficients in the blanks. Identify the reducing and oxidizing agents.

_I2+_Na2S2O3-->_Na2S4O6+_NaI

  • AP Chemistry - ,

    You need to learn how to do these without my help. Here is a site that very good with redox methodology. To give you a hint and help you through the laborious work, I can tell you that BOTH I atoms change from zero on the left to -2 total on the right. S changes from +8 for both S atoms on the left to +10 on the right for all four.
    http://www.chemteam.info/Redox/Redox.html

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