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- Posts: 845
- Joined: |09 Apr 2011|, 19:50
- Favourite Beer: The wet kind
- Location: SW Ontario
It does matter; again, contrary to belief, the abundance of one gas has no impact at all on the ability of other gasses to diffuse through it. It is true that you can transiently layer a gas like CO2 at the bottom of a container and it will remain there - for a while. But give it long enough and diffusion will eventually lead to the gas mixing in equally with the surrounding air.