Question

mole fraction of oxygen in a mixture of 7gm nitrogen and 8 gm of oxygen is

Answer 1

moles of nitrogen = 7/14 = 1/2

moles of oxygen = 8/16 = 1/2

mole fraction of oxygen = (1/2)/(1/2 + 1/2)

= 1/2.

Answer 2

17/12that is if such