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Ionic Equilibrium I
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Buffer solutions and Henderson equation
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Difficulty 1 of 3
ie119
An acetic acid - acetate mixture has
[
acid
]
:
[
salt
]
=
10
:
1
. With
p
K
a
=
4.74
the pH is
A
5.74
B
4.74
C
2.74
D
3.74
Answer: D
pH =
4.74
+
lo
g
(
1/10
)
=
4.74
−
1
=
3.74
.
Practice Ionic Equilibrium I
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