Алексей
Тимур Таланцев
HCOOH <=> H(+) + COO(-)
[H+]^2 = KC = 1.8*10^-4 * 0.01 = 1.8*10^-6
[H+] = 1.342*10^-3 моль/л
рН = - lg [H+]
pH = 3 - lg 1.342 = 3 -0.13 = 2.87
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HCOOH <=> H(+) + COO(-)
[H+]^2 = KC = 1.8*10^-4 * 0.01 = 1.8*10^-6
[H+] = 1.342*10^-3 моль/л
рН = - lg [H+]
pH = 3 - lg 1.342 = 3 -0.13 = 2.87