What Is the [CH₃COO^-]/[CH₃COOH] Ratio Necessary to Make an Aqueous

question 11

Multiple Choice

What is the [CH₃COO^-]/[CH₃COOH] ratio necessary to make an aqueous buffer solution with a pH of 4.34?
K_a = 1.8 × 10^-5 for CH3COOH.

• A)0.39:1
• B)0.91:1
• C)1.09:1
• D)2.5:1

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