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  3. for the diprotic weak acid h2a, ka1 = 3.1 × 10

For the diprotic weak acid H2A, Ka1 = 3.1 × 10-6 and Ka2 = 5.4...

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Chemistry

For the diprotic weak acid H2A, Ka1 = 3.1 × 10-6 and Ka2 = 5.4 ×10-9. What is the pH of a 0.0650 M solution of H2A? What are theequilibrium concentrations of H2A and A2– in this solution?

Answer & Explanation Solved by verified expert
4.2 Ratings (854 Votes)
Lets do this by parts H2A HA HKa1 31 x 106 HA A2 HKa2 54 x 109 For the concentrations of H and HA you consider only the first reaction since the HA product will only slightly dissociate Ka2 is very small The    See Answer
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