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Convert 62.13 kg Al to grams.
62.13 kg (1000 g/kg) = 62130 g Al
Convert grams to moles using the atomic weight of Al from the Periodic Table.
Al is 26.9815 g/mol
62130 g / (26.9815 g/mol) = 2302.6 mol Al
In significant figures, that is 2303 mol Al.
In scientific notation, that is 2.303 x 104 mol Al.
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