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Homework Help: Determination of pKa Bromocresol green

  1. Aug 12, 2008 #1
    i am having problem in calculating pKa
    in my experiment,a formula of pKa=pH + log10 [HB]/
    my data obtain only gotthe pH of HB,that is 5.17
    how can i calculate the pKa??

    [HB]=concentraion of undissociated form indicator
    =concentration of dissociated indicator
  2. jcsd
  3. Aug 12, 2008 #2


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    Describe your experiment for us.
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