O Level Biology 6 Views 1 Answers
State the percentages of the gases in atmospheric air
State the percentages of the gases in atmospheric air
Answered
The composition of atmospheric air is primarily made up of the following gases, measured by their mole fractions:
- Nitrogen (N₂): Approximately 78.08%
- Oxygen (O₂): Approximately 20.95%
- Argon (Ar): Approximately 0.93%
- Carbon Dioxide (CO₂): Approximately 0.04%
Additionally, air contains variable amounts of water vapor, which can range from about 0% to 3% depending on humidity levels, as well as trace amounts of other gases such as neon, helium, methane, and krypton
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BNO Team