Juded09 Juded09

26-03-2021
Chemistry

contestada

If a buffer solution is 0.130 M in a weak acid (K_a = 1.7 x 10^-5) and 0.590 M in its conjugate base, what is the pH?
PH
=

Respuesta :

21ahmedfa 21ahmedfa

26-03-2021

Use the Henderson-Hasselbach equation:
pH = pKa + log[base]/[acid]
pH = -log(1.7 x 10^-5) + log(0.590/0.130) = 5.43

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