Choose a group 1 or group 2 metal, set how much you use, and drop it in. The beaker runs the reaction while the panel keeps the mole count, the hydrogen volume and the pH up to date.
| Balanced equation | — |
| Moles of metal | 0 |
| Moles of H2 | 0 |
| H2 volume at 0 °C, 1 atm | 0 L |
| Hydroxide made | 0 g |
| Hydroxide ion | 0 M |