Respuesta :

Answer:

3.08 g of Oxygen .

Explanation:

2Mg      + O₂     =     2MgO

2 mole  1 mole

molecular weight of Mg = 24

2 mol of Mg = 48 g

48 g of Mg reacts with 32 g of oxygen

4.62 g of Mg will reacts with 3.08 g of Oxygen .