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Which of the Following Acids (Listed with PKa Values) and Its

Question 24

Multiple Choice

Which of the following acids (listed with pKa values) and its conjugate would be the best choice to make a buffer with a pH of 2.12?


A) HC7H5O2, pKa = 4.19
B) CH3COOH, pKa = 4.74
C) HClO, pKa = 7.54
D) HCN, pKa = 9.31
E) HClO2, pKa = 1.96

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