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Card 6

Front

What is empirical formula?

Back

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Card 7

Front

How can we calculate the empirical formula of a compound from its percentage compositions?

Back

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Card 8

Front

Why is it not usually possible to get 100% yield from a chemical reaction?

Back

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Card 9

Front

Why should chemical manufacturers use reactions with high yields?

Back

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Card 10

Front

What methods can be used to analyse the colours in food and why are they used?

Back

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Card 11

Front

How is paper chromatography used and why?

Back

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Card 12

Front

What can gas chromatography linked to mass spectrometry do?

Back

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Card 13

Front

How is gas chromatography carried out?

Back

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Card 14

Front

What is recorded in GC-MS analysis?

Back

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Card 15

Front

What can the retention times of output from the gas chromatography column be compared with?

Back

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