Chemistry

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The Ka values of H3PO4 are shown below.

Ka1 7.5 multiplied by 10-3
Ka2 6.2 multiplied by 10-8
Ka3 4.8 multiplied by 10-13

What is the pH of a 0.14 M solution of Na2HPO4?

  • Chemistry -

    (H^+) = sqrt(k2k3)
    pH = -log (H^+)

  • Chemistry -

    thanks!

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