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Keq for excess

  1. Mar 17, 2015 #1
    If i'm trying to find the Kc for A + B --> C and we know that A is in excess, pushing the reaction to the right. At equilibrium, B is 0 essentially. My question is for calculating Kc = [C]/[A][ B ] do we use the equation Kc = [C]/[A] because [ B ]is essentially 0 at equilibrium?
  2. jcsd
  3. Mar 17, 2015 #2


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    Staff: Mentor

    So you are saying

    [tex]0 \times large~number = large~number[/tex]

    Does it look like something that can be true?
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