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NaOH + CH3COOH -> CH3COONa + H2O
mula'' : 0,1mmol 1 mmol
reaksi : 0,1 0,1 0,1 0,1
sisa : - 0,9 0,1 0,1
konsentrasi H+ = Ka . nA/nG
= 10 pangkat -5 . 0,9/0,1
= 10 pangkat -5 . 9
pH = - log konsentrasi H+
= - log 10 pangkat -5 . 9
= 5 - log 9
= 5 - 2log3