Multiple Choice
Determine the pH of a 0.35 M aqueous solution of KF. For hydrofluoric acid, Ka = 7.0 × 10-4.
A) 0.46
B) 5.65
C) 8.35
D) 5.01
E) 1.35
Correct Answer:

Verified
Correct Answer:
Verified
Q9: The molar concentration of hydroxide ion in
Q57: The hydride ion, H<sup>-</sup>, is a stronger
Q75: An aqueous solution contains 0.100 M NaOH
Q87: Classify the following compounds as weak acids
Q118: What is the conjugate acid of NH<sub>3</sub>?<br>A)NH<sub>3</sub><br>B)NH<sub>2</sub><sup>+</sup><br>C)NH<sub>3</sub><sup>+</sup><br>D)NH<sub>4</sub><sup>+</sup><br>E)NH<sub>4</sub>OH
Q119: A 0.15 M aqueous solution of the
Q120: Of the following acids, _ is a
Q126: Which one of the following is a
Q127: Which one of the following is the
Q129: The conjugate acid of HSO<sub>4</sub><sup>-</sup> is _.<br>A)SO<sub>4</sub><sup>2-</sup><br>B)H<sub>2</sub>SO<sub>4</sub><br>C)HSO<sub>4</sub><sup>+</sup><br>D)H<sup>+</sup><br>E)HSO<sub>3</sub><sup>+</sup>