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Awal : 10 5 -
Reaksi : 5 5 5
Sisa : 5 - 5
Menentukan OH- dari rumus
[OH-] = kb. mmol basa/mmol garam
= 2.10^-5 . 5/5
= 2.10^-5
POH = 5-log 2
PH = 14-(5-log 2)
= 9+log 2
Jawaban nya E
semoga membantu :)