Liters of Oxygen : 61.6 L
Given
5.5 moles Naâ‚‚O
Required
Liters of Oxygen
Solution
Reaction
4Na+O₂⇒2Na₂O
mol Oâ‚‚ from equation :
= 1/2 x mol Sodium oxide
= 1/2 x 5.5
= 2.75
Assume at STP(1 mol gas=22.4 L), liters Oâ‚‚ :
= 2.75 x 22.4
= 61.6 L