Multiple Choice
Which of the following acids (listed with Ka values) and their conjugate base would be the best choice to make a buffer with a pH of 8.10?
A) C6H5COOH, Ka = 6.5 × 10-5
B) HF, Ka = 3.5 × 10-4
C) HClO, Ka = 2.9 × 10-8
D) HCN, Ka = 4.9 × 10-10
E) HClO2, Ka = 1.1 × 10-2
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q54: Which of the following acids (listed with
Q55: A solution contains 0.021 mol L<sup>-1</sup> Cl⁻
Q56: What happens at low pH to aluminum
Q58: A 1.0 L buffer solution is 0.250
Q60: A solution contains 0.036 mol L<sup>-1</sup> Cu<sup>2+</sup>
Q61: You wish to prepare a buffer containing
Q62: Match the following.<br>-pH = pK<sub>a2</sub><br>A)equivalence point of
Q63: A 100.0 mL sample of 0.10 mol
Q64: Calculate the pH of a buffer that
Q73: Define a buffer.