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QuizMultiple Choice

Gas Stoichiometry — Unit test

Question 1 • IN-Chemistry B

The chemical equation below shows the formation of aluminum oxide (Al2O3) from aluminum (Al) and oxygen (O2).4Al + 3O2 2Al2O3The molar mass of O2 is 32.0 g/mol. What mass, in grams, of O2 must react to form 3.80 mol of Al2O3?

Question illustration
Answer
A
60.8 grams
B
81.1 grams
C
122 grams
D
182 grams
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