Consider the reaction below.
$NH_4^{+}+H_2 O \rightarrow NH_3+H_3 O^{+}$
Which is an acid-conjugate base pair?
A$NH_4^{+}$ and $NH_3$
B$NH_4^{+}$ and $H_3 O^{+}$
C$H_2 O$ and $NH_3$
D$H_2 O$ and $H_3 O^{+}$
$NH_4^{+}+H_2 O \rightarrow NH_3+H_3 O^{+}$
Which is an acid-conjugate base pair?
A$NH_4^{+}$ and $NH_3$
B$NH_4^{+}$ and $H_3 O^{+}$
C$H_2 O$ and $NH_3$
D$H_2 O$ and $H_3 O^{+}$