| Beaker 1 | Beaker 2 | Beaker 3 | Beaker 4 | Beaker 5 |
Salt solution (mL) | 50 | 35 | 25 | 15 | 50 |
Distilled water (mL) | 0 | 15 | 25 | 35 | 0 |
KI 10% (mL) | 5 | 5 | 5 | 5 | 2.5 |
H2SO4 1M (mL) | 1 | 1 | 1 | 1 | 1 |