What Is the [CH₃CO₂-]/[CH₃CO₂H] Ratio Necessary to Make a Buffer

question 152

Multiple Choice

What is the [CH₃CO₂-]/[CH₃CO₂H] ratio necessary to make a buffer solution with a pH of 4.44? K_a = 1.8 × 10^-5 for CH₃CO₂H.

• A) 0.50:1
• B) 0.94:1
• C) 1.1:1
• D) 2.0:1

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