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5. Aluminum oxide can be produced in the following reaction: 4 Al +30 2 Abo, 110.0 g of aluminum is reacted with 70.0g of oxygen

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5. Aluminum oxide can be produced in the following reaction: 4 Al +30 2 Abo, 110.0 g of aluminum is reacted with 70.0g of oxygen a) What mass (in grams) of aluminum oxide is produced? 4 marks. b) If 7.80g of aluminum oxide is produced, what is the percent yield? 1 mark c) Calculate the mass of the excess reagent that is remains unused. 4 marks

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