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Experiment to find empirical formula
Heat Crucible until hot leave it to cool then way along with lid
add Clean magnesium ribbon to Crucible reweigh
Work out mass of magnesium
Heat crucible containing magnesium put Crucible on so normal escape leave small gap to allow oxygen to enter
Heat for around 10 minutes until magnesium ribbon has turned white
Allow Crucible to cool and Wheway
Work out the mass of magnesium oxide
How to work out empirical formula from the masses
Work out how many moles of each element you have
Work out the smallest whole number ratio to get empirical formula
What is empirical formula
Smallest ratio of atoms
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