1.0 g of magnesium is burnt with 0.56 g ...

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? (At.wt: Mg=24, O = 16)

Mg. 0.44 g

`O_2, 0.28` g

`Mg, 0.16g`

`O_2, 0.16g`

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