part A, B, C were answered in this link , part D left http://www.chegg.com/homew

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part A, B, C were answered in this link , part D left

http://www.chegg.com/homework-help/questions-and-answers/question-linke-answered-http-wwwcheggcom-homework-help-questions-answers-q3877713-q3877785

When exposed to air, aluminum metal, A1, reacts with oxygen, O2 to produce a protective coating of aluminum oxide, Al2O3, which prevents the aluminum from rusting underneath. The balanced reaction is shown here: What is the theoretical yield of aluminum oxide if 1 80mol of aluminum metal is exposed to 1 65mol of oxygen? Express your answer numerically in moles. In Part A. we saw that the theoretical yield of aluminum oxide is 0.900mol . Calculate the percent yield if the actual yield of aluminum oxide is 0.441 mol. Express your answer numerically as a percentage.

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49%

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