1.0 g of magnesium is burnt with 0.56 g `O_(2)` in a closed vessel. Which reactant is left in excess and how much?

1.0g of magnesium is burnt with 0.56 g O_(2) is a closed vessel. Which reactant is left in excess and how much (at wt. Mg=24, O=16)-

1.0 g of Mg is burnt with 0.28 g of O_(2) in a closed vessel. Which reactant is left in excess and how much ?

1.0 g of Mg is burnt with 0.28 g of O_2 in a closed vessel . Which reactant is left in excess and how much ?