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Determine the mass of oxygen in a 7.20 g sample of Al2(SO4)3.

Deborah Edwards

in Chemistry

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Cynthia Baker on September 2, 2018

Given:7.20 g sample of Al2(SO4)3Required:Mass of oxygenSolution: no one gives a chemical reaction, only the base of your solution to the chemical formula given.The Molar mass of Al2(SO4)3 = 342.15 g/mol7.20 g of Al2(SO4)3 (1 mol/342.15 g)(3mol O/2 mol Al)(1 mol O2/1/2 moles of O2)(32 g O2/1mol O2) = 4.04 g of O2


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