Multiple Choice
The Ka of hypochlorous acid (HClO) is 3.0 × 10-8 at 25.0°C. What is the % ionization of hypochlorous acid in a 0.015 M aqueous solution of HClO at 25.0°C?
A) 4.5 × 10-8
B) 14
C) 2.1 × 10-5
D) 0.14
E) 1.4 × 10-3
Correct Answer:

Verified
Correct Answer:
Verified
Q43: Nitric acid is a strong acid. This
Q45: What is the conjugate base of OH<sup>-</sup>?<br>A)O<sub>2</sub><br>B)O<sup>-</sup><br>C)H<sub>2</sub>O<br>D)O<sup>2-</sup><br>E)H<sub>3</sub>O<sup>+</sup>
Q46: The pH of a 0.15 M aqueous
Q47: Of the following, which is the weakest
Q49: A 0.15 M aqueous solution of the
Q50: What is the conjugate acid of CO<sub>3</sub><sup>-2</sup>?<br>A)CO<sub>2</sub><sup>-2</sup><br>B)HCO<sub>2</sub><sup>-2</sup><br>C)H<sub>2</sub>CO<sub>3</sub><br>D)HCO<sub>3</sub><sup>-</sup><br>E)none
Q51: Calculate the concentration (in M)of hydronium ions
Q52: Which one of the following is a
Q53: In basic solution, _.<br>A)[H<sub>3</sub>O<sup>+</sup>] = [OH<sup>-</sup>]<br>B)[H<sub>3</sub>O<sup>+</sup>] >
Q123: In the reaction<br>BF<sub>3</sub> + F<sup>-</sup> → BF<sub>4</sub><sup>-</sup><br>BF<sub>3</sub>