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Homework Help: RedOx formula

  1. Feb 5, 2012 #1
    1. The problem statement, all variables and given/known data
    Hi. :) I'm supposed to balance the formula and write the values.

    Cr3++CIO3-+H2O → Cr2O72-+Cl-+H+

    Specify:Amount of electrons
    and: Charges


    3. The attempt at a solution
    I don't really got any clue. Please help!
    Cr3+ have +3
    The oxygen have -2 and then?
    Cr3++CIO3-+H2O → Cr2O72-+Cl-+H+ ?
     
    Last edited: Feb 5, 2012
  2. jcsd
  3. Feb 5, 2012 #2

    Borek

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    Staff: Mentor

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