What is the pH of the resulting solution when 2.11 x 10-3 moles of KOH is added to 0.100 L of a bu"er solution that is 0.100 M in HC2H3O2 and 0.100 M NaC2H3O2? Given: Ka for acetic acid is 1.81x 10-5 at 25 °C. Correct Answer: 4.93

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