Concentrations and Pressures Q1
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Question 1 of 1
1. Question
Throughout its journey oxygen flows from a relatively high to lower concentration. It is therefore useful at this point to remind ourselves about how we measure gas concentrations.
With gas mixtures we tend to use percentages to describe their concentrations as compared to molar quantities for other chemicals and substances. What is the composition of dry air?
Select the appropriate percentage for each gas mixture.
Sort elements
- 20.98%
- 00.04%
- 78.06%
- 00.92%
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Oxygen
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Carbon dioxide
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Nitrogen
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Inert gases
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