Jawabanmu

2014-04-10T21:17:10+07:00
VNH4Cl=400 ml × 0, 1 M= 40 mmol VNH3=200 ml × 0, 1 M=20 mmol ket : ^=pangkat [oh^-]= kb - b/g =1, 8 × 10^-5 × 40/20 =1, 8 × 10^-5 × 20 =36 × 10^-5 pOH = -log [OH^-] =-log 36×10^-5 =5-log 36 =5-1, 55 =3, 45 pH = pkw - pOH =14-3, 45 =10, 55