Answer:
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<span>every column on the table represents a family that react similarly with other <span>elements.</span></span>
Answer:
11.6 grams of MgO can be produced with 4.63 grams of oxygen.
Explanation:

Mass of oxygen gas = 4.63 g
Moles of oxygen gas = 
According to reaction, 1 mole of oxygen gas gives 2 moles of magnesium oxide, then 0.1447 moles of oxygen gas will giv e:
of magnesium oxide
Mass of 0.2894 moles of magnesium oxide:
= 0.29 mol × 40 g/mol = 11.6 g
11.6 grams of MgO can be produced with 4.63 grams of oxygen.