| 5. Cu2SO4 | copper(I) sulfate |
| 6. K2SO3 | potassium trioxosulfate(IV) |
| 7. Fe(NO3)3 | iron(III) trioxonitrate(V) |
| 8. K2Cr2O7 | potassium heptaoxodichromate(VI) |
| 9. NaH2PO4 | sodium dihydrogentetraoxophosphate(V) |
| 10. Zn(NH3)6Cl2 | hexaamminezinc(II) chloride |
| 11. KMnO4 | potassium tetraoxomanganate(VII) |