During the reaction 2Mg + O₂ → 2MgO, 48 g of Mg and 48 g of O₂ are heated together. The amount of MgO formed is

A. 80 g

✓

B. 40 g

C. 120 g

D. 60 g

📝 Explanation

Mg is limiting. Two moles Mg produce 2 mol MgO = 80 g.

📖 Additional Information

80 g
40 g
120 g
60 g

Mg is limiting. Two moles Mg produce 2 mol MgO = 80 g.

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