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You Wish to Prepare a Buffer Containing CH₃COOH with a PH

Question 52

Question 52

Multiple Choice

You wish to prepare a buffer containing CH₃COOH with a pH of 4.24.If the pK_a of acetic acid is 4.74,what ratio of [CH₃COO^-]/[CH₃COOH] must you use?

A) 0.10
B) 0.50
C) 0.32
D) 2.0
E) 2.8

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