Mass of crucible and lid (step 1) 50.00 Mass of crucible, lid and magnesium (step 3) 50.24 Mass of crucible, lid and magnesium oxide (step 7) 50.40 Mass of crucible and lid (step 1) ...

You will complete eight required core practical activities if you are studying GCSE ... experiment to determine the empirical formula of magnesium oxide. The student heats magnesium in a crucible ...