Question: What is the [A 2 - ] (in mol L -1 ) of a solution containing 1.035 mol L -1 of a diprotic acid with

What is the [A2-] (in mol L-1) of a solution containing 1.035 mol L-1 of a diprotic acid with pKA1 = 3.70 and pKA2 = 8.48?

H2A + H2O ⇌ H3O+ + HA- pkA1

HA- + H2O ⇌ H3O+ + A2- pkA2

Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4".

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