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NaOH -> 50 x 0,05 = 2,5 mmol
NaOH + H2SO4 -> Na2SO4 + 2 H2O
Mula2 2,5 0,25 - -
Reaksi 0,25 0,25 0,25 0,25
Sisa 2,25 - 0,25 0,25
Tersisa NaOH 2,25
[OH-] = M x Valensi
[OH-] = 2,25/100 x 1 = 0,0225
pOH = -log [OH-]
pOH= -log 2,25x10^-2
pOH= 2-log 2,25
pH = 14-(2-log 2,25)
pH = 12+log 2,25