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=
= 10^-4
pH = 4
b. [OH] = Mb . b
0,1 . 2 = 0,2
pOH = 1 - log2
pH = 14-(1-log2) = 13 + log 2
3. [H] =
=
= 10^-3
pH = 3
5. alfa = 10^-7
pH = 4
pH = - log [H]
4 = - log [H]
[H] = 10^-4
[H] = alfa . M
10^-4 = 10^-7 . m
M = 1000
klo ditanya konsentrasi berarti [H] = 10^-4
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