Jawabanmu

2014-01-29T22:57:12+07:00
Amonia merupakan basa lemah
[OH⁻] = √(Kb . M)
         = √(4 . 10⁻⁵ . 0,1) = 2 . 10⁻³
pOH = - log (2.10⁻³)
       = 3 - log 2
pH = 14 - pOH
pH = 14 - (3 - log2)
pH = 11 + log2

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