Berapa ph campuran yg terjadi bila 200ml larutan HCOOH 0.1 M Ka 10^-5 dicampur dengan 20 ml larutan HCOONa 1 M?
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Pertanyaan
Berapa ph campuran yg terjadi bila 200ml larutan HCOOH 0.1 M Ka 10^-5 dicampur dengan 20 ml larutan HCOONa 1 M?
1 Jawaban
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1. Jawaban rafliadam555
HCOOH = 200 * 0.1 = 20 mmol
HCOONa = 20 * 1 = 20 mmol
[H+] = 10^-5 * 20/20*1
[H+] = 10^-5 * 1
[H+] = 1 * 10^-5
pH = 5 - Log 1
pH = 5
Maaf bila terjadi kesalahan..