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April 18, 2014

Homework Help: CHEMISTRY

Posted by ryan on Sunday, February 13, 2011 at 10:54pm.

7. At pH 7.4 a weak organic acid with a pKa of 6.4 would be 60% ionized


% Ionization =[(H^+)/(acid)]*100 = 3.98 x 10^-8
HA ==> H^+ + A^
K = (H^+)(A^-)/(HA)
K = (H^+)(A^-)/[HA-(H^+)] Plug in 3.98E-7

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