The mass of oxygen required to react with calcium to produce 44.8 g of calcium oxide is 12.79 grams.
The reaction between Calcium and Oxygen produces calcium oxide which is represented as
2Ca + O2 = 2CaO
According to the above reaction
1 mole of O2 produces 2 moles of CaO
Or 112 grams of CaO is produced by 32 grams of O2
1 gram of CaO is produced by 32/112 grams of O2
Hence 44.8 g of CaO is produced by 32/112 x 44.8 = 12.79 grams of O2
Therefore, the mass of oxygen required to react with calcium to produce 44.8 g of calcium oxide is 12.79 grams.
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