For the diprotic weak acid H2A, Kal = 3.5 × 10-6 and K22 = 7.7 × 10-9. What is the pH of a 0.0400 M solution of H,A? pH = What are the equilibrium concentrations of H, A and A²- in this solution? [H,A] = M [A?-] = M

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For the diprotic weak acid H2A, Kal
3.5 x 10-6 and K22 = 7.7 x 10-9.
What is the pH of a 0.0400 M solution of H, A?
pH
What are the equilibrium concentrations of H,A and A2-
this solution?
[H,A] =
M
[A?-] =
M
Transcribed Image Text:For the diprotic weak acid H2A, Kal 3.5 x 10-6 and K22 = 7.7 x 10-9. What is the pH of a 0.0400 M solution of H, A? pH What are the equilibrium concentrations of H,A and A2- this solution? [H,A] = M [A?-] = M
Expert Solution
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The pH is used to determine the alkalinity or acidity of a solution.

the pH is determined as the negative logarithm of hydrogen ion concentration.

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