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

1.0 g of magnesium is burnt with 0.56 g of O_(2) in a closed vessel. W

1.	1.0 g of magnesium is burnt with 0.56 g of O_(2) in a closed vessel. Which reactant is left in excess and how much ?
Answer» Mg , 0.44 g `O_(2)` , 0.28 g Mg , 0.16 g `O_(2)` , 0.16 g Solution :`underset(2xx24g)(2Mg)+underset(32G)(O_(2))rarr2MgO` 32 g of `O_(2)` react with Mg = 48 g 0.56 g of `O_(2)` react with `Mg=((48G))/((32g))xx(0.56g)` Mass of mg TAKEN `= 1.0 g` Mass of Mg LEFT `= (1- 0.84) = 0.16 g`.