Terdapat 10 mL (NH4)2SO4 0,1 M.tentukan pH larutan garam tersebut.(Kb NH4OH = 2 x 10-5)
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Pertanyaan
Terdapat 10 mL (NH4)2SO4 0,1 M.tentukan pH larutan garam tersebut.(Kb NH4OH = 2 x 10-5)
1 Jawaban
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1. Jawaban abyandaffa11
[H+] = akar (10^-14/2 × 10^-5 × 10^-1 × 2)
= akar (10^-10)
= 10^-5 M
pH = -log 10^-5
= 5