![1. (2pts) What is the pH of a buffer solution in which [HA] = [AC]? A. pH = 1 D. pH = POH B. pH = Ka E. pH=7.0 C. pH = pka](http://img.homeworklib.com/questions/bea0acd0-71ce-11ea-9e23-1992671b6079.png?x-oss-process=image/resize,w_560)
Homework Answers
pH of a buffer solution is given by the formula
pH = pKa+ log[conjugate base]/[acid]
here acid is Ha and its conjugate base is A-
when their concentrations are equal; [HA]= [A-]
log[conjugate base]/[acid]= log 1 = 0
thwn pH = pKa +0
hence pH = pKa
::Option C
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