tentukan konsentrasi OH- pada larutan CH3COONa 0,01 M dan hitung harga pHnya!
(Ka CH3COOH = 1,7.10-5.
tentukan:
a.reaksi hidrolisis
b.pH larutan.
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OH- =
=
=
=0.7 .
pOH = -log OH-
= -log 0.7.
= 5.5 -log 0.7
pH = 14 - (5.5 -log 0.7)
= 8.5 + log 0.7