Larutan basa lemah LOH 10-6 M (Kb = 4 x 10-4) mempunyai pH …
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Pertanyaan
Larutan basa lemah LOH 10-6 M (Kb = 4 x 10-4) mempunyai pH …
2 Jawaban
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1. Jawaban Sulis241
Maaf kalo salah........2. Jawaban tichamarlenza
M = 10^-6 M
Kb = 4 X 10^-4
pH = ....?
[OH-] = √Kb . M = √4 X 10^-4 . 10^-6 M = √4 X 10^-10 = 2 X 10^5
pOH = - log [OH-] = - log 2 X 10^-5 = 5 - log 2 = 5 - 0,301 = 4,69897 = 4,7
pH = 12 - 4,7 = 7,3Pertanyaan Lainnya
