Reactions - Chemistry

[Extreme112]

Question: How many grams of sodium oxide are produced when 73.2g of sodium react completely with oxygen gas?

 

Just want to confirm if my procedure/answer is correct.

 

4 Na + O₂ ---> 2 Na₂O ----- Balanced Equation

So I would assume all I have to do is 1) get the moles of Na 2) divide my 2 to get the moles of Na₂O 3) multiply by the molar mass of Na₂O to get the grams of Na₂O.

Solution:

73g ÷ 23g/mol (molar mass Na) = 3.2 moles

3.2 moles ÷ 2 = 1.6 moles of Na₂O

1.6 moles × 62 g/mol (molar mass of Na₂O) = 98.7

 

Did I do my computations correctly?

[daniton]

I didn't see anything wrong.