Magnesium Burns in Air with a Dazzling Brilliance to Produce

question 80

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 2.10 mol of magnesium burns?

• A) 0.0864
• B) 0.952
• C) 2.10
• D) 4.20
• E) 1.05

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