October 2018 1 47 Report
Suatu larutan penyangga terbuat dari campuran 100 mL NH3 0,1M dan 200 mL NH4NO3 0,2 M (Ka= 10^-5) mempunyai pH....
Tolong bantu pakai caranya ya.
a. 6
b. 6-log 4,5
c. 6+log 4,5
d. 8-log 4,5
e. 8+log4,5
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