Jawabanmu

2014-04-27T20:35:01+07:00
Kalau hanya diketahui garamnya brarti itu larutan hidrolisis
[H+] = akar kw/kb x nCg
       = akar (10^-14/2x10^-5) x 10^-2
       = akar 0,5 x 10^-11
       = akar 5 x 10^-12
       = 10^-6 x akar 5
pH = - log [H+] = -log 10^-6 x akar 5 = 6 - log akar 5