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The Ka for the Reaction of Acetic Acid and Water

Question 55

Multiple Choice

The Ka for the reaction of acetic acid and water shown below is 1.8 x 10-5.
The K<sub>a</sub> for the reaction of acetic acid and water shown below is 1.8 x 10<sup>-5</sup>. Which of the following statements is true at pH 7? A) there is much more acetic acid than acetate ion B) there is more acetate ion than acetic acid C) the concentration of acetate ion is equal to that of acetic acid D) the pH is lower than pK<sub>a</sub> of acetic acid Which of the following statements is true at pH 7?


A) there is much more acetic acid than acetate ion
B) there is more acetate ion than acetic acid
C) the concentration of acetate ion is equal to that of acetic acid
D) the pH is lower than pKa of acetic acid

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