Answer to Question #282817 in Physical Chemistry for RoadRunner

Question

Citric acid, a tricarboxylic acid important in intermediary metabolism,

can be symbolized as HA. Its dissociation reactions are H₂A =H* + H₂A™ H₂A = H + HA HAH* + A³ pk = 6.40 If the total concentration of the acid and its anion forms is 0.02M, what are the

pk =3.13 pk = 4.76

individual concentrations of H.A. HA, HA, and Aat pH 5.2?

Answer 1

Number of moles =2.67moles