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Chemistry
Chemistry
Problem
Methylamine,
C
H
3
N
H
2
CH_3NH_2
C
H
3
N
H
2
, is a weak base with
K
b
=
4.4
×
10
−
4
K_b=4.4\times10^{-4}
K
b
=
4.4
×
1
0
−
4
. What is the percent ionization of a
0.050
M
0.050\,\text{M}
0.050
M
aqueous solution of methylamine at
25
∘
C
25^\circ\text{C}
2
5
∘
C
? a)
1.0
%
1.0\%
1.0%
b)
18.8
%
18.8\%
18.8%
c)
9.4
%
9.4\%
9.4%
d)
4.7
%
4.7\%
4.7%
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