What is the empirical formula of the hydrocarbon that contains 80% carbon?
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Card 9
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% Yield – actual mass / theoretical mass X 100
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Card 10
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Analysing substances
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Card 11
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Modern instrumental methods of analysis
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Card 12
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Gas chromatography
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Card 13
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The amount of substance leaving the column at different times is recorded against time and shows number of compounds in the mixture and their retention times.
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Card 14
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The output from gas chromatography can be linked to a mass spectrometer
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Card 15
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A mass spectrometer can give the molecular mass of a compound
