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Homework Help: Constructing balanced ionic equations

  1. Oct 10, 2015 #1
    1. The problem statement, all variables and given/known data
    SO2 + Br2 + H2O -----> SO4 ^-2 + Br^-1 + H^+1

    2. Relevant equations

    3. The attempt at a solution
    I think the answer is:
    SO2 + Br2 + 2H2O ----> SO4^-2 + 2Br^-1 + 2H^+1
    But the answer in the book is:
    SO2 + Br2 ----> SO4^-2 + 2Br^-1
    Is my answer the correct one?
  2. jcsd
  3. Oct 10, 2015 #2


    User Avatar

    Staff: Mentor

    Book answer can't be correct as the oxygen is not balanced.

    Not that your answer is OK - count hydrogens on both sides, and see if the charge is balanced. Chances are it was just a typo on your side.
  4. Oct 10, 2015 #3
    Oh yeah, sorry. It should be SO2 + Br2 + 2H2O ----> SO4^-2 + 2Br^-1 + 4H^+1. Thanks!
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