The pH of an acid solution is 6.00. Calculate the Ka for the monoprotic acid. The initial acid concentration is 0.010 M.
Ka =
HA <-----------> H+ + A-
pH = 6.00
[H+] = 10-pH = 10-6.00 = 1.0 x 10-6 M
at equilibrium [H+] = [A-] = 1.0 x 10-6 M
[HA] = 0.010 - 1.0 x 10-6 = 0.009999 M
Ka = [H+] [A-] / [HA]
Ka = [1.0 x 10-6] [1.0 x 10-6] / [0.009999]
Ka = 1.00 x 10-10
The pH of an acid solution is 6.00. Calculate the Ka for the monoprotic acid. The...
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