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3 Cards in this Set
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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 |
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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 |
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What is empirical formula |
Smallest ratio of atoms |
