What Is the PH After the Addition of 0

question 81

Multiple Choice

What is the pH after the addition of 0.20 mole of HCl to 1.00 liter of 1.00 M CH₃COONa and 1.00 M CH₃COOH ( K _a = 1.8×10 ^{- 5}) buffer solution?
(Assume no volume change.)

• A) 0.70
• B) 2.31
• C) 4.57
• D) 9.28
• E) 13.3

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