diprotic weak acid

Question

Question

For the diprotic weak acid H₂A, $K_{a1} = 2.1 \times 10^{- 6}$ and $K_{a2} = 5.9 \times 10^{- 9}$

.

What is the pH of a $0.0800$ M solution of

H_{2}^{} A

?

pH = ____________

What are the equilibrium concentrations of $H_{2}^{} A$ and $A^{2 -}$

in this solution?

$[H_{2}^{} A] =$

$M$

$[A^{2 -}] =$

$M$

No referals please without an attempt for an answer.

Answer 1

Answer #1

diprotic weak acid.png

Here it is. I forgotten this.

Answer 2

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