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A solution of iodic acid is 5.00 x 10^-3 M. The dissociation constant, Ka for this acid is 0.17. Calculate the pH of the solution, taking into account the activity coefficients for H+ (yH+ = 0.933) and IO3- (yIO3- = 0.928). Assume yHIO3 = 1. (Hint: quadratic)

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