August 2018 1 3K Report

berapa gram amonium sulfat, (NH4)2SO4, harus ditambahkan ke dalam 500 mL larutan NH3 0,1 M untuk mendapatkan larutan penyangga dengan pH = 9? (Kb NH3 = 1 x 10^{-5}; Ar H=1; N=14; O=16; S=32)

keterangan :

^{-5} = pangkat -5


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