Jawabanmu

2014-01-27T21:20:11+07:00
NH3 termasuk basa lemah, maka OH- = √Kb.Mb
= √1x10⁻⁵·1x10⁻²
= √1x10⁻⁷
=  1x10⁻³,⁵
pOH = -log 1x10⁻³,⁵
        = 3,5
pH = pKw - pOH
     = 14 - 3,5
      = 10,5
pH = -log H⁺
H⁺ = -anti log pH
     = 3,16 x 10⁻¹¹
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