Question

Calculate the pH at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (C2H5NH2) with 0.1000 M HCl solution. The volume of the solution at the equivalence point is 250.0 mL. Kb for
ethylamine is 4.7 × 10−4.

Answer 1

these questions are followups of the original questin posted.
How much base much be added to make the
solution equalized?
Answer in units of mL
What is the pKa for this acid?

Answer 2

wkneop2