Question

The composition of the atmosphere is approximately 80 per cent nitrogen and 20 per cent oxygen by mass. At what height above the surface of the earth would the atmosphere become 90 per cent nitrogen and 10 per cent oxygen by mass? Assume that the temperature of the atmosphere is constant at 25oc. What is the pressure of the atmosphere at that height?

Answer 1

When we go 10metre deep 1atm pressure increases..now i cant sove it from here because i am in class 10th.