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?

Question

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?

Quizplus · Accepted Answer

According to the balanced equation, 2 moles of Mg react with 1 mole of O2. Therefore, 0.770 moles of Mg will react with 0.770/2 = 0.385 moles of O2.

Magnesium Burns in Air with a Dazzling Brilliance to Produce