Posted by ALANANANANA on Saturday, February 9, 2013 at 11:00pm.
........HClO2 + H2O ==> H3O^+ + ClO2^-
I.....0.120..............0.......0
C........-x..............x.......x
E.....0.120-x............x.......x
Substitute the E line into the Ka expression for HClO2 and solve for x = (H^+), then convert to pH = -log(H^+)
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