How many grams of oxygen gas are needed

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For the unbalanced equation _Al+_O2=_Al2O3.
How many moles are needed to form 2.3 moles of aluminum oxide?
How many grams of oxygen gas are needed to react with 22.7 g of Al?
How many moles of AL0O3 are formed from the reaction of 273 grams of o2?

Reference no: EM13125842

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