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Given the set of reactions below, combine the first two equations and then model the system resul...

Given the set of reactions below, combine the first two equations and then model the system resulting from the resulting two reactions as if it were a diprotic acid system. Include a fractional composition plot of the α of species CO2 (aq), HCO3 – (aq) and CO3 2– (aq) as a function of pH.

CO2 (aq) + H2O ⇄ H2CO3(aq)

H2CO3(aq) + H2O ⇄ HCO3 – (aq) + H3O+

HCO3 – (aq) + H2O ⇄ CO3 2– (aq) + H3O+

Kr = 2.0 × 10–3

Ka′ = 2.0 × 10–4

Ka2 = 4.4 × 10–11

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(Carbsiwie aid) Frautional Composition Plot: 1-0 10 Lo nner

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