In the following reaction:
NH4+ (aq) + H2O (aq) ? NH3 (aq) + H3O+ (aq)
A) NH4+ is an acid and H2O is its conjugate base.
B) H2O is a base and NH3 is its conjugate acid.
C) NH4+ is an acid and H3O+ is its conjugate base.
D) H2O is a base and H3O+ is its conjugate acid.
E) NH4+ is a base and H2O is its conjugate acid.
Answer: D