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Card 6
Front
What is empirical formula?
Back
Card 7
Front
How can we calculate the empirical formula of a compound from its percentage compositions?
Back
Card 8
Front
Why is it not usually possible to get 100% yield from a chemical reaction?
Back
Card 9
Front
Why should chemical manufacturers use reactions with high yields?
Back
Card 10
Front
What methods can be used to analyse the colours in food and why are they used?
Back
Card 11
Front
How is paper chromatography used and why?
Back
Card 12
Front
What can gas chromatography linked to mass spectrometry do?
Back
Card 13
Front
How is gas chromatography carried out?
Back
Card 14
Front
What is recorded in GC-MS analysis?
Back
Card 15
Front
What can the retention times of output from the gas chromatography column be compared with?
Back
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