What is the total number of moles of aluminum oxide that can be formed when 54 grams of aluminum reacts completely with oxygen?

Question

Chemistry

Kyan Meyer

26 April, 06:59

What is the total number of moles of aluminum oxide that can be formed when 54 grams of aluminum reacts completely with oxygen?

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Answers (1)

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Aimee Li · Answer 1

4Al + 3O₂ → 2Al₂O₃

m (Al) = 54 g

M (Al) = 27 g/mol

n (Al₂O₃) = n (Al) / 2

n (Al) = m (Al) / M (Al)

n (Al₂O₃) = m (Al) / {2M (Al) }

n (Al₂O₃) = 54/{2*27} = 1 mol