Using fractions and percentages to describe mixtures
What Using fractions and percentages to describe mixtures means in Combined Science GCSE, as defined for AQA.
Definitions of Using fractions and percentages to describe mixtures
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Reference: AQA
The proportion of oxygen can be given as both a fraction and a percentage, for example one-fifth or about 20%, to make the value unambiguous.
The proportion can be given as a fraction or a percentage of the total volume of dry air.
Topics that use Using fractions and percentages to describe mixtures
Related terms
- Oxygen as the second most abundant atmospheric gas
- Proportions of gases by volume
- Proportions of nitrogen and oxygen
- Trace gases and variability
- Variation and approximate nature of atmospheric data
- Atmospheric composition
- Composition of the atmosphere
- Composition of the atmosphere as a mixture
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