What is the [A²-] (in mol L-1) of a solution containing 1.081 mol L-1 of a diprotic acid with PKA1 = 4.95 and pkA2 = 9.81 ? H₂A + H₂O = H3O+ + HA PKA1 HA + H₂O = H3O+ + A²-PKA2 Answer:
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![What is the [A²-] (in mol L-¹1) of a solution containing 1.081 mol L-¹ of a diprotic acid
with PKA1 = 4.95 and PKA2 = 9.81 ?
H₂A + H₂O H3O+ + HA PKA1
HA + H₂O = H3O+ + A²-PKA2
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