Jawabanmu

2014-05-25T12:16:09+07:00
[oh-] = akar (kw/kb.M.valensi)
= akar (10^-14/10^-5x0.1x2)
= akar 2x10^-10
= 10^-5 akar 2
ph = 5 - log akar 2

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