1. Empirical Formula Question
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Higher Tier
Walking Talking Mark
GCSE Chemistry (Legacy Specification)
Empirical Formula Question
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2. Question – Empirical formula
Perfume contains a mixture of chemicals.
The main ingredients are a solvent and a mixture of fragrance oils.
A sample of the solvent used in a perfume contained 0.6 g of carbon, 0.15 g of hydrogen and 0.40 g of oxygen.
Calculate the empirical formula of the solvent. (4 marks)

3. C2H6O Answer – Empirical formula
Perfume contains a mixture of chemicals. The main ingredients are a solvent and a mixture of fragrance oils.
A sample of the solvent used in a perfume contained 0.6 g of carbon, 0.15 g of hydrogen and 0.40 g of oxygen.
Calculate the empirical formula of the solvent. (4 marks)
C : H : O
0.60 /12 = /1 = /16 = 0.025
: :
C2H6O