Question 1
What is the pH of a 0.120 M aqueous solution of the sodium salt of acetylsalicylic acid (aspirin)?
Ka (aspirin) = 3.3 × 10
-4 ◦ 7.0
◦ 11.8
◦ 2.2
◦ 5.7
◦ 8.3
Question 2
What is the pH of a 0.175 M aqueous solution of potassium benzoate?
Ka (benzoic acid) = 6.3 × 10
-5◦ 9.10
◦ 3.44
◦ 10.56
◦ 5.28
◦ 8.72