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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`)

A

`O_2`, 0.16 g

B

Mg .0.44 g

C

`O_2`, 0.28 g

D

Mg, 0.16 g

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