October 2018 1 281 Report
1. Berapakah pH larutan Ca(CH3COO)2, 0,01 M diketahui Ka CH3COOH= 1,8.10^-5
2. Hitung pH larutan 0,1 M NH4OH dan 0,1 M HCN, diketahui Ka HCN= 10^-4 dan Kb NH4OH= 10^-5. Jika kedua larutan direaksikan, tentukan pH campuran.
3. pH larutan 0,02 M basa lemah LOH yaitu 11+log 4. Tentukan pH larutan yg trjdi jika ke dlm 100 ml laruta 0,02 M LOH dimasukkan 200 ml larutan 0,01 M HBr.

Yang Bisa Bantu Tolong ya, walaupun hanya 1 soal saja. THANK's
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