How many grams of oxygen gas are required to react completely with 14.6 grams of solid sodium to form sodium oxide?

Balanced equation.

4Na + O2 ->2Na2O

14.6 grams Na (1 mole Na/22.99 grams)(1 mole O2/4 mole Na)(32.0 grams/1 mole O2)

= 5.08 grams oxygen gas needed

--------------------------------------------