October 2018 1 26 Report
1.sebanyak 50 ml lrtan NH3 0,1 m (Kb=10 pangkat -5) dicampur dgn 100 ml lrutan NH4CL 0,5 m. hit. PH lrutan trsbut,!
2.hit. PH lrutan yg trbentuk dri camprn 100 ml lrtan HCN 0,1 m + 50 ml NaCN 0,2 m (ka HCN = 4x10 pngkt -5..

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