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Cari mol untuk CH3COOH
mol= v . m
mol= 100mL . 0,1 M= 10 mmol
Cari mol untuk NaoH
mol = v . m
mol = 100mL . 0,1 M= 10 mmol
CH3COOH + NaOH⇒CH3COONa + H2O
M 10 mmol 10 mmol - -
R 10 mmol 10 mmol 10 mmol 10 mmol -
S 0 0 10 mmol 10 mmol
Cari Konsentrasi
M= mol/Vtotal
= 10 mmol : 200
= 0,05
[OH-] =√Kw/Ka . [G]
= 10-14 /10-5 . [0,05]
= 5 X 10-11
POH = -log [OH-]
= - log 5 X 10-11
= 10,30
PH = 14-POH
= 14-10,30
= 3,7