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?

1.0 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 ?

1g of Mg is burnt in a closed vessel which contains 0.5g of O_(2) (i) Which reactants is left in excess (ii) Find the mass of the excess reactant.

The reaction, 2C+O_(2)rarr2CO is carried out by taking 24 g of carbon and 96 gO_(2) , find out: (a) which reactant is left in excess? (b) How much of it is left? (c ) How many mole of CO are formed? (d) How many g of other reactant should be taken so that nothing is left at the end of reaction?