Methylamine,

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Methylamine,

CH_3NH_2

, is a weak base with

K_b=4.4\times10^{-4}

. What is the percent ionization of a

0.050\,\text{M}

aqueous solution of methylamine at

25^\circ\text{C}

? (a)

1.0\%

(b)

18.8\%

(c)

9.4\%

(d)

4.7\%