Multiple Choice
Kb for NH3 is 1.8 × 10-5. What is the pOH of a 0.20 M aqueous solution of NH4Cl at 25.0 °C?
A) 2.72
B) 11.28
C) 9.02
D) 4.98
E) 11.23
Correct Answer:

Verified
Correct Answer:
Verified
Q52: Of the following,which is the strongest acid?<br>A)HIO<sub>4</sub><br>B)HIO<sub>3</sub><br>C)HIO<sub>2</sub><br>D)HIO<br>E)The
Q68: Of the following,which is the strongest acid?<br>A)HClO<br>B)HClO<sub>3</sub><br>C)HClO<sub>2</sub><br>D)HClO<sub>4</sub><br>E)HIO
Q104: An aqueous solution contains 0.050 M of
Q105: The conjugate base of HSO<sub>4</sub><sup>-</sup> is _.<br>A)OH<sup>-</sup><br>B)H<sub>2</sub>SO<sub>4</sub><br>C)SO<sub>4</sub><sup>2-</sup><br>D)HSO<sub>4</sub><sup>+</sup><br>E)H<sub>3</sub>SO<sub>4</sub><sup>+</sup>
Q107: The pH of a 0.55 M aqueous
Q111: Calculate the pH of a solution at
Q112: The base-dissociation constant, K<sub>b</sub>, for pyridine, C<sub>5</sub>H<sub>5</sub>N,
Q113: The K<sub>a</sub> of hypochlorous acid (HClO)is 3.0
Q114: The pH of an aqueous solution at
Q117: An aqueous solution contains 0.10 M HNO<sub>3</sub>.