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

User Andreycpp
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Molar mass of Al2(SO4)3 = 342.15g/mol



7.20gAl2(SO4)3 * (1mol)/(342.15g) = .0210434mol



.0210434molAl2(SO4)3* (12molO)/(1mol) = .25252mol O


Molar mass of O = 15.9994g/mol


.25252molO* (15.9994g)/(1mol) = 4.04g O
User Atetc
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