Chapter 9, Problem 9.55P

Fill in the missing product in each acid-base equation.
a. ${\text{CH}}_{\text{3}}{\text{NH}}_{\text{2}}{\text{ + OH}}^{\text{-}}\rightleftarrows {\text{ (CH}}_{\text{3}}{\text{NH)}}^{\text{-}}\text{ + }\square$
b. ${\text{CH}}_{\text{3}}{\text{NH}}_{\text{2}}{\text{ + H}}_{\text{2}}{\text{SO}}_{\text{4}}\rightleftarrows \square {\text{ + HSO}}_{\text{4}}{}^{\text{-}}$