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Chemistry
Chemistry
Problem
A buffer is prepared by combining
35.0
mL
35.0\,\text{mL}
35.0
mL
of
0.200
M
0.200\,\text{M}
0.200
M
dimethylamine,
(
C
H
3
)
2
N
H
(
K
b
=
5.4
×
10
−
4
)
(CH_3)_2NH\,(K_b = 5.4\times10^{-4})
(
C
H
3
)
2
N
H
(
K
b
=
5.4
×
1
0
−
4
)
, with
15.0
mL
15.0\,\text{mL}
15.0
mL
of
0.200
M
0.200\,\text{M}
0.200
M
HCl. Calculate the pH of the resulting solution after mixing (assume volumes are additive).
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