Tentukan ph 200ml larutan (NH4)2SO4 0,5 M (Kb basa=2.10^-5)
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Tentukan ph 200ml larutan (NH4)2SO4 0,5 M (Kb basa=2.10^-5)
1 Jawaban
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1. Jawaban ghifijuniorharp2mu55
(H+)=akar(kw/kb x M. Val)
=akar(10*-14/2.10*-5 x 2x0.1)
=akar(10*-10)=10*-5
PH=-log 10*-5=5