Consider the reaction below. 2Al2O3 mc031-1.jpg 4Al + 3O2 How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed?

QUESTION POSTED AT 18/04/2020 - 07:23 PM

Answered by admin AT 18/04/2020 - 07:23 PM

2Al₂O₃ ----> 4Al + 3O₂
2 moles               3 moles

2 moles of Al₂O₃ ---------- 3 moles of O₂
26,5 moles of Al₂O₃ ------ X
X = (26,5×3)/2
X = 39,75 moles of O₂

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