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Study Plan for Practical Work
Alternative gravimetric experiments can be used to find correct formulae. The reaction of magnesium with oxygen from the air gives results good enough to identify the correct formula.
Materials:
| Iron powder (0.56 g) | Propanone (20 cm3) |
| 1.0 M copper(II) sulfate (15 cm3) | |
| 100 cm3 beaker | Glass rod |
| Tripod and gauze | Heat proof mat |
| Bunsen burner | Dropping pipette |
| Funnel and filter paper | 100 cm3 conical flask |
| Oven set at 105 °C | Balance with accuracy of at least ± 0.01 g |