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16 December, 14:03

What value should you calculate when pka2 and pkb2 are added together?

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  1. 16 December, 14:16
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    pKa2 and pKb2 = 14. pKa1 is much less than pKa2 this is because the first hence pKa1 and pKa2 they don't equal to 14.

    pKa2 contains all dissociated hydrogen (H+) which is being possible.
  2. 16 December, 14:30
    0
    PKa2 (acid) + pKb2 (conjugate base) = 14 (pKw)

    In diprotic acids:

    Also, pKa1 + pKb2 = 14 and pKa2 + pKb1 = 14 and pKa1 always smaller than pKa2 because the first proton is always more acidic
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