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    Chemistry The Central Science Study Set 2
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    Exam 16: Acid-Base Equilibria
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    K<sub>a</sub> for HA Is 4
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Ka for HA Is 4

Question 55

Question 55

Multiple Choice

Ka for HA is 4.9 × 10-10.What is the pH of a 0.068 M aqueous solution of A-?


A) 11.07
B) 0.74
C) 2.96
D) 7.00
E) 13.24

Correct Answer:

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