Jawabanmu

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2014-04-20T05:45:01+07:00
[OH-] = akar (10-3  x 68  x 10-5
= 10-4 x 68
pOH = 4 – log 68
pH = 10 + log 68
Mohon Maaf jika ada kesalahan. Semoga bermanfaat
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