October 2018 2 39 Report
1. sebanyak 20 ML larutan NH3 0,30 M (Kb =10 pangkat min 5) dicampur dengan 40 ML larutan HCl 0,10 M. PH campuran adalah........... (log 5 = 0.699, log 2 = 0,301)
a. 1, b. 3, c. 4,301, d. 7 e. 9,301

2. larutan 25 ML NH4OH 0,2 M (Kb = 10 pangkat min 5) dicampurkan dengan 25 ML larutan HCL 0,1 M. PH larutan yg terjadi adalah.............
a. 5,0 b. 5,5 c. 8,5 d. 9,0 e. 13,0
please banget tolong dijawab ya gan,,,,,
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