October 2018 1 45 Report
Sebanyak 100 ml NH4OH 0,4 M dicampur dengan 100 ml H2SO4 0,1 M. Apabila diketahui Kb NH3= 10^-5, pH larutan penyangga yang terbentuk sebesar...
A. 5-log 2
B. 5-log3
C. 9
D. 9+log2
E. 9+log3

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