Answer
See answer below.
Work Step by Step
a) $NH_4^++OH^-$
Strong base: proton acceptor, mostly ionized.
b)$CH_3CO_2H$
Weak acid: proton donor, mostly un-ionized
c) $Na^++OH^-$
Strong base: proton acceptor, mostly dissociated
d) $H_3O^++Br^-$
Strong acid: proton donor, mostly ionized.