The inverse log, or -log, as indicated by p, can be reversed. This converts pH back into [H3O+¹], POH back into [OH-¹], and pKa back into Ka. 1. Calculate the [H3O+¹] when the pH = 6.666 [H3O+1] = 10-PH = 10-6.666 = 2. Calculate the [OH-1] when the pOH = 8.888 [OH-1] = 10-POH = 10-8.888 = 3. Calculate the Ka when the pka = 7.777 Ka = 10-pka = 10-7.777 : = A. 1.67 x 10-8 B. 2.158 x 10-7 C. 1.29 x 10-9

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The inverse log, or -log, as indicated by p, can be reversed. This converts pH back into [H3O+¹],
POH back into [OH-1], and pKa back into Ka.
1. Calculate the [H3O+¹] when the pH = 6.666
[H3O+¹] = 10-PH = 10-6.666 =
2. Calculate the [OH-1] when the pOH = 8.888
[OH-1] = 10-POH = 10-8.888 =
3. Calculate the Ka when the pka = 7.777
K₂ = 10-pka = 10-7.777 =
A. 1.67 x 10-8
B. 2.158 x 10-7
C. 1.29 x 10-9
Transcribed Image Text:The inverse log, or -log, as indicated by p, can be reversed. This converts pH back into [H3O+¹], POH back into [OH-1], and pKa back into Ka. 1. Calculate the [H3O+¹] when the pH = 6.666 [H3O+¹] = 10-PH = 10-6.666 = 2. Calculate the [OH-1] when the pOH = 8.888 [OH-1] = 10-POH = 10-8.888 = 3. Calculate the Ka when the pka = 7.777 K₂ = 10-pka = 10-7.777 = A. 1.67 x 10-8 B. 2.158 x 10-7 C. 1.29 x 10-9
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