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We wish to buffer a solution at pH = 4.58. Which of the following acids (and con

ID: 826342 • Letter: W

Question

We wish to buffer a solution at pH = 4.58.  Which of the following acids (and conjugate base salts) would be most useful? Question 1 options: a) C6H5COOH         (Ka = 6.14 We wish to buffer a solution at pH = 4.58.  Which of the following acids (and conjugate base salts) would be most useful? We wish to buffer a solution at pH = 4.58.  Which of the following acids (and conjugate base salts) would be most useful? a) C6H5COOH         (Ka = 6.14 a) C6H5COOH         (Ka = 6.14 a) C6H5COOH         (Ka = 6.14

Explanation / Answer

D.


pKa of CH3COOH is close to the pH value.

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