A buffered solution containing dissolved aniline, C6H₅NH₂ , and aniline hydrochloride, C₆H₅NH₃Cl, has a pH of 5.75.

a) Determine the concentration of C₆H₅NH₃⁺ in the solution if the concentration of C₆H₅NH₂ is 0.245 M. THe pKb of aniline is 9.13.