Magnesium Burns in Air with a Dazzling Brilliance to Produce

question 150

Multiple Choice

Magnesium burns in air with a dazzling brilliance to produce magnesium oxide:
2Mg(s) + O₂(g) → 2MgO(s)
How many moles of O₂ are consumed when 0.770 mol of magnesium burns in excess oxygen?

• A)0.0317
• B)2.60
• C)0.770
• D)1.54
• E)0.385

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