| Strongest acid |
HClO4 + H2O --> H3O+ + ClO4- | Weakest base |
| . |
HCl + H2O --> H3O+
+ Cl- |
. |
| . |
H3PO4 + H2O
<--> H3O+ + H2PO4- |
. |
| Weakest acid |
CH3COOH + H2O
<--> H3O+ + CH3COO- |
Strongest base |
| . |
NH4+ + H2O
<--> H3O+ + NH3 |
. |
| . |
H2O + H2O <-->
H3O+ + OH- |
. |
| Metal | 2M Hydrochloric acid | 2M Sulfuric acid |
| Magnesium | very rapid | rapid |
| Aluminium | slight | none |
| Zinc | moderate | Slight |
| Iron | very slight | very slight |
| Tin | none | none |
| Lead | none | none |
| Copper | none | none |