Relative concentration vs. altitude

  • Thread starter kasse
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Earth's atmosphere has roughly four molecules of nitrogen for every oxygen molecule at sea level;
more precisely, the ratio is 78:21. Assuming a constant temperature at all altitudes (not really very
accurate), what is the ratio at an altitude of 10km? Explain why your result is qualitative reasonable.


I found this formula, describing nanoparticles in air. I guess it then also can be used for gas molecules?

2r4n7ef.jpg


That way I get approx. 104:33
 
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