18. Aqueous Equilibrium

Consider the titration of 30.0 mL of 0.100 M HC₂H₃O₂ with 0.100 M NaNH₂. Which volume of NaNH₂ would take place within the buffer region? 

a) 30.0 mL                    b) 50.0 mL                    c) 10.0 mL                     d) 100.0 mL                   e) 1.5 L

What is the relative ph at the equivalence point of the titration of a weak acid with a strong base?

In titration of NH₃ and HCl, what is the predominant species beyond the equivalence point?

a) NH₃                                      b) HCl                                       c) CH₃NH­₂                                d) Cl^–