how many grams of oxygen gas will be required to react completely with 92.0 grams of solid sodium to form solid sodium oxide?

Answer 1

4Na + O2 → 2Na2O

92.0g of Na*(1 mole/22.98g of Na)*(2 moles of Na2O /4 moles of Na)*(61.98 g of Na2O/1 mol)= mass of Na2O

Answer 2

32.0 g 02