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5 March, 07:45

Calculate the number of moles of the indicated substance present in 47.2 g of aluminum oxide

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  1. 5 March, 10:14
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    First u need to find the molar mass, which is 101.96 g/mol.

    No of Moles = given mass / Molar mass = 47.2/101.96 = 0.462 moles
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