An aqueous solution contains 0.050 M of methylamine. The concentration of hydroxide ion in this solution is ________ M. Kb for methylamine is 4.4 × 10-4.
A) 0.050
B) 2.2 × 10-5
C) 2.9 × 10-3
D) 4.5 × 10-3
E) 4.7 × 10-3
Correct Answer:
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