natrium askobat 0.001 M degan pH=12. ditanya harga Ka asam askobart adalah?
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Pertanyaan
natrium askobat 0.001 M degan pH=12. ditanya harga Ka asam askobart adalah?
1 Jawaban
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1. Jawaban Th0mas
pH = -log [H+]
12 = -log [H+]
[H+] = 10^-12
[H+] = √Ka.Ma
10^-12 = √Ka.10^-3
(10^-12)^2 = Ka.10^-3
10^-24 = Ka.10^-3
Ka = 10^-24 / 10^-3
Ka = 10^-21
Maaf kalau salah