pH and pOH
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Last updated 6:44 PM on 8/19/22
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12 Terms
1
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Since ionization is endothermic,
the Kw increases as temperature increases.
2
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[H3O+] and [OH]- are
inversely related to each other.
3
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equilibrium constant
Like ANY ________, the Kw is temperature dependent.
4
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pure water
In ________, [H3O+] and [OH]- are equal to each other.
5
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When an acid or base is dissolved in water,
[H3O+] and [OH]- are not equal to each other.
6
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Acidic solution
if [H3O+] > 1.0 × 10-7, then [OH-] < 1.0 × 10-7
7
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Basic solution
if [OH-] > 1.0 × 10-7, then [H3O+] < 1.0 × 10-7
8
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pOH =
log [OH-]
9
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-log[H+]
Log [OH-] = 14
10
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But
log{H+] is pH
11
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Neutral solution
if [H3O+] = [OH-] = 1.0 × 10-7
12
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pH=
-log [H+]
