October 2018 1 43 Report
Untuk membuat larutan penyangga dengan ph = 4 ke dalam 100 mL larutan CH3COOH 0,3 M (Ka = 10^-5) harus ditambahkan larutan CH3COONa 0,5 M sebanyak...... mLtolong bantu pakai caranya ya
a. 100
b. 50
c. 10
d. 6
e. 600
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