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m 5 5
r 5 5 5
s - - 5
[CH₃COOK] = 5/(50+50) =0,05=5x10⁻²
hidrolisis bersifat basa
[OH⁻]= Kw/Ka . [garam] . valensi
= 10⁻¹⁴/10⁻⁵. 5x10⁻².1
= 5 x 10⁻¹¹
= 10^-5,5
pOH = - log 10^-5,5
= 5,5 - log
pH = 14 - (5,5 - log )
= 8,5 + log
= 8,5 + 0,35
= 8,85