October 2018 1 14 Report
Asam cuka 0,1 M (Ka = 1x10^-5) sebanyak 100 ml pH-nya 3 ditambah natrium asetat 0,1 M, pH berubah menjadi 5. Banyaknya natrium asetat yang ditambahkan adalah....
A. 200 ml
B. 100 ml
C. 75 ml
D. 50 ml
E. 25 ml

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