Al2 (CrO4) 3 percentage of Al

Question

Kierra

Chemistry

18 September, 10:37

Al2 (CrO4) 3 percentage of Al

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Answers (1)

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Kimora Joseph · Answer 1

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