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

question 137

Multiple Choice

What is the [CH₃CO₂-]/[CH₃CO₂H] ratio necessary to make a buffer solution with a pH of 4.34?
K_a = 1.8 × 10^-5 for CH₃CO₂H.

• A)0)39:1
• B)0)91:1
• C)1)09:1
• D)2)5:1

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