Multiple Choice
In which of the following aqueous solutions does the weak acid exhibit the lowest percentage ionization?
A) 0.01 M HC2H3O2 (Ka = 1.8 × 10-5)
B) 0.01 M HNO2 (Ka = 4.5 × 10-4)
C) 0.01 M HF (Ka = 6.8 × 10-4)
D) 0.01 M HClO (Ka = 3.0 × 10-8)
E) These will all exhibit the same percentage ionization.
Correct Answer:

Verified
Correct Answer:
Verified
Q6: Using the data in the table, which
Q10: K<sub>b</sub> for NH<sub>3</sub> is 1.8 × 10<sup>-5</sup>.
Q12: The conjugate base of H<sub>2</sub>PO<sub>4</sub><sup>-</sup> is _.<br>A)PO<sub>4</sub><sup>-3</sup><br>B)H<sub>2</sub>PO<sub>4</sub><br>C)H<sub>3</sub>PO<sub>4</sub><br>D)HPO<sub>4</sub><sup>-2</sup><br>E)none
Q13: Classify the following compounds as weak acids
Q13: A substance that is capable of acting
Q15: The acid-dissociation constants of sulfurous acid (H<sub>2</sub>SO<sub>3</sub>)are
Q24: Which of the following ions will act
Q36: Classify the following compounds as weak bases
Q119: K<sub>a</sub> for HCN is 4.9 × 10<sup>-10</sup>.
Q132: An aqueous solution contains 0.150 M HCl