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Kierra
Chemistry
18 September, 10:37
Al2 (CrO4) 3 percentage of Al
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Kimora Joseph
18 September, 10:58
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13.4%
Explanation:
Take the molar mass (26.98) of Al x 2 because there are 2 moles in the given compound. Divide this number by the total molar mass of the compound (401.9) this gives you. 134. To get a percentage mulitply by 100 for 13.4%.
[ (26.98 x 2) / 401.9] x 100 = 13.4
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