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Chemistry
Chemistry
Problem
A laboratory has
100.
mL
100.\,\text{mL}
100.
mL
of
0.25
M
0.25\,\text{M}
0.25
M
hydrofluoric acid
(
H
F
,
p
K
a
=
3.14
)
(HF,\; pK_a = 3.14)
(
H
F
,
p
K
a
=
3.14
)
. What volume (in mL) of
0.0800
M
0.0800\,\text{M}
0.0800
M
N
a
O
H
NaOH
N
a
O
H
must be added to this sample so that the resulting buffer has a pH of
3.50
3.50
3.50
?
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