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Homework Help: Calculating the [H+] and pH of a lactic acid solution

  1. Feb 25, 2009 #1
    How do I calculate the [H+] fo a 0.05 M lactic acid solution. The Ka of the lactic acid is
    1.39 X 10-4

    is this a henderson - hasselbalch equation?
  2. jcsd
  3. Feb 25, 2009 #2


    User Avatar

    Staff: Mentor

    Somehow I feel like I have already answered this question somewhere else...

    You have to decide whether you are orgostudent or biochemstudent :wink:
  4. Feb 25, 2009 #3
    both :)

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