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ap chemistry

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For propanoic acid (HC3H5O2, Ka = 1.3 10-5), determine the concentration of all species present, the pH, and the percent dissociation of a 0.29 M solution.


[H+]
[C3H5O2-]
[OH -]
[HC3H5O2]
pH
percent dissociation

  • ap chemistry -

    Propanoic acid = HPr
    HPr ==> H^+ + Pr^-
    Set up an ICE chart and substitute into the below equation.
    Ka = (H^+)Pr^-)/(HPr)
    Solve for (H^+) and convert to pH.
    (Pr^-) = (H^+)
    You can find OH^- from (H^+)(OH^-) = 1E-14
    %diss = (H^+)/(HPr)*100 = ??

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