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 5.20?
A) HC7H5O2, pKa = 4.19
B) HF, pKa = 3.46
C) HClO, pKa = 7.54
D) HCN, pKa = 9.31
E) HClO2, pKa = 1.96
Correct Answer:
Verified
Q20: If the pKa of HCOOH is 3.74
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A) Buffer capacity is the
Q22: A 1.00 L buffer solution is 0.250
Q23: Calculate the mole ratio of HCOONa to
Q24: Which of the following acids (listed with
Q26: Which of the following acids (listed with
Q27: Which of the following acids (listed with
Q28: Which of the following acids (listed with
Q29: Which of the following is TRUE?
A) An
Q30: A 1.50 L buffer solution is 0.250
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