Magnesium Burns in Air with a Dazzling Brilliance to Produce

question 92

Multiple Choice

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

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

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