Question- A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.45.
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.
[C6H5NH3+] = ____?____ M
b) Calculate the change in pH of the solution, ?pH, if 0.388 g NaOH is added to the buffer for a final volume of 1.40 L.
?pH=_____?______
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