Question

Calculate the mass in g of aniline (C6H5NH2, Kb = 4.3 x 10-10) that must be added to 1.4 x 102 mL of 0.24 M (C6H5NH3)Cl solution in order to generate a buffer solution of pH 5.56. Give your answer to 2 significant figures.

Noclue...
Use the Henderson-Hasselbalch equation.
Aniline is the base and aniline chloride is the acid.
pH = pKa + log [(base)/(acid)]
Show your work if you get stuck.

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