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CH3COOH + NAOH ---> CH3COOHNA+H2O
mula2 4mmol + 2mmol
yb. 2mmol + 2mmol. 2mmol
Sisa. 2mmol. 2mmol
[H+] = Ka. [As]/[Gr]
= 10pangkat-5 [2mmol/20ml]/[2mmol/20ml]
[H+] = 10pangkat-5
Ph = -log (10pangkat-5) = 5
maaf kalau salah