# College Chem

posted by
**Lance** on
.

Based on the balanced equation

4Na + O2 → 2Na2O

calculate the number of Na2O formula units formed when 60 Na atoms and 10 O2 molecules react?

Thanks.

posted by
**Lance** on
.

Based on the balanced equation

4Na + O2 → 2Na2O

calculate the number of Na2O formula units formed when 60 Na atoms and 10 O2 molecules react?

Thanks.