Multiple Choice
An aqueous solution contains 0.050 M of methylamine. The concentration of H+ in this solution is ________ M. Kb for methylamine is 4.4 × 10-4.
A) 0.050
B) 2.2 × 10-13
C) 2.9 × 10-13
D) 4.5 × 10-13
E) 2.2 × 10-12
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
Q58: Which solution will be the most basic?<br>A)0.10
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
Q100: Classify the following compounds as weak acids
Q101: The acid-dissociation constant of hydrocyanic acid (HCN)at
Q102: Of the following substances, an aqueous solution
Q104: Which solution below has the highest concentration
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
Q109: K<sub>b</sub> for NH<sub>3</sub> is 1.8 × 10<sup>-</sup><sup>5</sup>.