During the titration of 0.100 M NH₃ with 0.100 M HCl
CHEMISTRY · Single correct · AP · Chemistry · Acids and Bases · Acids and Bases
Problem
During the titration of 0.100 M NH₃ with 0.100 M HCl, which species’ interaction with water primarily determines the pH at the equivalence point, and what qualitative effect does it have?
(a) Cl−; it hydrolyzes to form HCl, making the solution acidic.
(b) NH4+; it produces H3O+, making the solution acidic.
(c) NH3; it reacts with water to produce OH−, making the solution basic.
(d) H2O; its auto–ionization keeps the pH neutral at 7.