Check, or write in an “X” by, each amphoteric species below:
1. _____NH4+
2. _____NH3
3. _____ HSO4−
4. _____H2SO4
5. _____ H2O
6. _____ H3O+
7. _____ H2PO4−
1. X NH4+
2. X NH3
3. X HSO4−
4. X H2SO4
5. X H2O
6. X H3O+
7. X H2PO4−