The number of moles of oxygen in 1L of air which contains 21% oxygen by volume under standard conditions is :

The number of moles of oxygen in 1L of air which contains 21% oxygen b

1.	The number of moles of oxygen in 1L of air which contains 21% oxygen by volume under standard conditions is :
Answer» 0.186 MOL 0.21 mol 2.10 mol 0.0093 mol Solution :22.4 L of `O_(2)=1` mol `0.21 L` of `O_(2) = (0.21)/(22.4)= 0.0093` mol