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5. What is the mass of alum that can be prepared from 1.430g of Al ? (3 marks) (Atomic Mass of Al=26.98g/mol; molar mass for

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5. What is the mass of alum that can be prepared from 1.430g of Al ? (3 marks) (Atomic Mass of Al=26.98g/mol; molar mass for KAl(SO4)212H2O=474.4g/mol )

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