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Balancing equations

  1. May 20, 2007 #1
    What are the missing coefficients for the equation below?

    Al2(SO4)3 + KOH ---> Al(OH)3 + K2SO4

    a.) 1,6,2,3
    b.) 2,12,4,6
    c.) 1,3,2,3
    d.) 4,6,2,3

    I think my problem is whether or not to keep the SO4 together, or break it apart to sulfur and oxygen?
  2. jcsd
  3. May 20, 2007 #2
    answer is A. i figured it out.
  4. May 20, 2007 #3


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    Staff Emeritus
    Science Advisor

    For counting purposes, keep the OH and SO4 together. Then look at the coefficients of the metal ions to help you balance the equation.
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