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    stratrx21's Avatar
    stratrx21 Posts: 1, Reputation: 1
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    #1

    Jan 14, 2008, 02:36 PM
    balancing equations
    how do you balance
    I2 + HNO3 = HIO3 + NO2 + H2O
    SirOracle's Avatar
    SirOracle Posts: 11, Reputation: 1
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    #2

    Jan 17, 2008, 10:26 PM
    Using half-reactions:
    1(I2) + 6(H2O) = 2(HIO3) + 10(H+) + 10(e-)
    1(HNO3) + 1(e-) + 1(H+) = 1(NO2) + 1(H2O)

    Multiplying the bottom by 10 (to cancel out the electrons) yields

    1(I2) + 10(HNO3) = 2(HIO3) + 10(NO2) + 4(H2O)

    which, upon double-checking it, it balanced.
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