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The Atomic Mass of Al is 27.0

Amount of Al in 5.39g pure sample = 5.39/27.0 = 0.200mol

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How many moles of aluminum are in 1.99 grams of aluminum?

1,99 grams of aluminum is equal to 0,0737 moles.


How many moles of aluminum are in 10grams of aluminum?

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There are 6 moles of sulfur present in 3 moles of aluminum sulfate, because aluminum sulfate has a 2:3 ratio of aluminum to sulfur.


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