What is the relevant reaction that occurs when a solution of strong base is added to a buffer comprised of a weak acid (HA) and weak base (A)?
OH^(-) HA->A^(-) H_(2)O
OH^( ) A^( )->HA^( ) H_(2)O_(2)
OH^( ) H_(3)O^( )->A^( ) H_(2)O
H_(3)O^( ) HA^( )->A^(-) H_(2)O
H_(3)O^( ) A^( )->HA H_(2)O