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Course: High school chemistry > Unit 4

Lesson 3: Stoichiometry
Science
High school chemistry
Stoichiometry and the mole
Stoichiometry
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Apply: mole to mole stoichiometry

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Problem

Aluminum reacts with oxygen to form aluminum oxide:
4Al(s)+3OA2(g)→2AlA2OA3(s)
How many moles of OA2 are required to completely react with 3.76 moles of Al?
Report your answer to two decimal places.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
moles OA2