What is the pH of a solution containing 0.831 mol L-1 of a diprotic acid with pKA1 = 4.08 and pKA2 = 8.96 ? H2A + H2O ⇌

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answerhappygod
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What is the pH of a solution containing 0.831 mol L-1 of a diprotic acid with pKA1 = 4.08 and pKA2 = 8.96 ? H2A + H2O ⇌

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What is the pH of a solution containing 0.831 molL-1 of a diprotic acid with pKA1 =4.08 and pKA2 = 8.96 ?
H2A + H2O ⇌H3O+ + HA- pkA1
HA- + H2O ⇌H3O+ + A2- pkA2
Report your answer to at least 1 decimal place.
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