Jawabanmu

2014-02-13T22:19:34+07:00
OHcampuran = (M1.V1+M2.V2)/V1+V2
OH=(20+20)/200=2.10^-1
pOH=1-log 2
pH=14-pOH
pH=14-(1-log2)
pH=13+log 2 (d)