CHM1211 Acid/Base quiz
1)
Acetic acid (CH3COOH) has a Ka of 1.76 x 10-5.
a. Is this considered a weak acid or strong acid? Briefly explain your answer.
b. What is the equilibrium reaction when acetic acid is added to water (show equilibrium
symbol)
c. What is the equilibrium expression for acetic acid (Ka = ……)
2)
What is the pH of a solution that has a [H3O+] of 1.72 x 10-4M (watch for significant figures).
3)
What is the pH of a solution that has an [OH-] of 1.72 x 10-4M?