tentukan Ph dari larutan Ba(OH)2 0,1 M

OH- = v basa x Mb
OH- = 2 x 0.1M
OH- = 0.2 M

pOH = - log OH-
pOH = - log 2.10^-1
pOH = 1 - log 2

pH = pKw - pOH
pH = 14 - (1 -log2)
pH = 13 + log 2