Finding the Empirical Formula of Magnesium Oxide
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IGCSE Practical Assessment-Finding the Empirical Formula of Magnesium Oxide Appearance of Magnesium before experiment: The magnesium was silvery and curly in a solid form before heated. Appearance of Magnesium during experiment: There was fizzing white smoke (Magnesium Oxide) coming out from the crucible when we lifted the lid to let oxygen in, it has no smell. Appearance of Magnesium after experiment: The magnesium turned in a white power form after heated. It contained no smell. Results Mass of crucible + lid =30.44g Mass of crucible + lid + magnesium before heating =30.69g Mass of crucible + lid + magnesium oxide after heating =30.81g The Mass of Each element in the compound Magnesium Mass of crucible + lid + magnesium oxide after heating =30.81g Mass of crucible + lid =30.41g Therefore, the mass of magnesium =0.4g Oxygen Mass of crucible + lid + magnesium oxide after heating =30.81g Mass of crucible + lid + magnesium...


