What Is the PH of a 0

question 129

Multiple Choice

What is the pH of a 0.45 M solution of sodium acetate, CH₃COO ^- Na⁺?
K _a(CH₃COOH) = 1.8×10 ^{- 5}. You may want to complete the following table before getting started. A simplifying assumption would be valid here. CH₃COO ^- Na⁺ CH₃COOH OH^{1 -} Initial Change @ equilibrium

• A) pH = 2.54
• B) pH = 4.80
• C) pH = 9.20
• D) pH = 9.55
• E) pH = 11.46

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