angemango1843 angemango1843

15-03-2024
Chemistry

contestada

For the diprotic weak acid H2A, Ka1 = 2.1 x 10⁻⁶ and Ka₂ = 7.9 x 10⁻⁹. What is the pH of a 0.0400 M solution of H₂A?
a) 1.23
b) 2.34
c) 3.45
d) 4.56

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