Weak Acid and Base Equilibria
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
What is the
p
H
pH
p
H
of a
0.01
0.01
0.01
M sulfuric acid solution assuming complete dissociation?
QUESTION
Which is stronger: an acid with
K
a
=
1.0
×
10
−
4
K_a = 1.0 \times 10^{-4}
K
a
=
1.0
×
1
0
−
4
or
K
a
=
1.0
×
10
−
6
K_a = 1.0 \times 10^{-6}
K
a
=
1.0
×
1
0
−
6
?
QUESTION
Calculate the
p
H
pH
p
H
for
[
O
H
−
]
=
4
×
10
−
5
[OH^-] = 4 \times 10^{-5}
[
O
H
−
]
=
4
×
1
0
−
5
M.
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ANSWER
p
H
=
9.6
pH = 9.6
p
H
=
9.6
. Find
p
O
H
=
4.4
pOH = 4.4
pO
H
=
4.4
, then
p
H
=
14
−
4.4
=
9.6
pH = 14 - 4.4 = 9.6
p
H
=
14
−
4.4
=
9.6
.
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