Problem: Balance each of the following redox reactions occurring in acidic solution. Express your answer as a chemical equation. Identify all of the phases in your answer.IO3–(aq) + H2SO3(aq) → I2(aq) + SO42–(aq)

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We’re being asked to balance the given oxidation-reduction reaction:

IO3(aq+ H2SO3(aq) → I2(aq) + SO42(aq)



IO3(aq) I2(aq)                                                      H2SO3(aq) →  SO42(aq)

2 IO3(aq) I2(aq)                                                   H2SO3(aq) →  SO42(aq)

   (I: balanced)                                                                                (S: balanced)


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Problem Details

Balance each of the following redox reactions occurring in acidic solution. Express your answer as a chemical equation. Identify all of the phases in your answer.

IO3(aq+ H2SO3(aq) → I2(aq) + SO42(aq)