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7 Organic chemistry

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Question 61

A sample contains a single hydrocarbon. The hydrocarbon is burned completely in excess oxygen.

Analysis shows that, for every molecule of the hydrocarbon burned, five molecules of carbon dioxide and six molecules of water are produced.

a.

Calculate the molecular formula of the hydrocarbon.

[2]
b.

Calculate the number of oxygen molecules needed for each molecule of the hydrocarbon to burn completely.

[2]
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7 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /7 Organic chemistry

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