How many moles of magnesium are needed to react with 16.0 g of O2?

Chemistry

1 answer:

Ulleksa [173]2 years ago

5 0

Answer:

1 mol of Mg

Explanation:

2Mg + O₂ → 2MgO

2 moles of magnesium react with 1 mol of oxygen, to produce 2 mol of magnesium oxide.

16 g / 32 g/m = 0.5 moles of O₂

If 1 mol of oxygen react with 2 mol of Mg

0.5 moles of O₂ will react with 1 mol of Mg. (0.5 ₓ2)

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