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1.) Consider a weak acid "HA". What is the pH of a 1.053 mol/L solution of HA?
The KA of HA is 3.95 x 10^-7
2.) What is the [A2-] (in mol/L) of a solution containing 1.147 mol/L of a diprotic acid with pKA1 = 3.47 and pKA2 = 8.88 ?
H2A + H2O ? H3O+ + HA- pkA1
HA- + H2O ? H3O+ + A2- pkA2
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