Strong Acids and Bases, pH, pOH
AP Chemistry · Flashcards
AP CHEMISTRY · FLASHCARDS
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QUESTION
What is the
[
OH
−
]
[\text{OH}^-]
[
OH
−
]
in a solution with
[
H
+
]
=
1.0
×
10
−
4
M
[\text{H}^+]=1.0\times10^{-4}\,\text{M}
[
H
+
]
=
1.0
×
1
0
−
4
M
at
25
∘
C
25^\circ\text{C}
2
5
∘
C
?
QUESTION
What is the
pH
\text{pH}
pH
of a
0.010
M
0.010\,\text{M}
0.010
M
strong monoprotic acid?
QUESTION
State the formula for pH in terms of hydronium concentration.
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ANSWER
p
H
=
−
log
[
H
3
O
+
]
\mathrm{pH}=-\log[\mathrm{H_3O^+}]
pH
=
−
lo
g
[
H
3
O
+
]
. Negative log converts small
[
H
3
O
+
]
[\mathrm{H_3O^+}]
[
H
3
O
+
]
values to manageable pH scale.
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