Solid residue weighing 7.158 g from an aluminum refining process was dissolved in acid to give Al3+ in solution.The solution was treated with 8-hydroxyquinoline to precipitate (8-hydroxyquinoline)3Al (FM 462.462 g/mol), which was ignited to give Al2O3 (FM 101.961 g/mol) weighing 1.178 g. Find the weight percent of Al (FM 26.982 g/mol) in the original mixture. Solid residue weighing 7.158 g from an aluminum refining process was dissolved in acid to give Al³+ in solution.The solution was treated with 8-hydroxyquinoline to precipitate (8-hydroxyquinoline)3Al (FM 462.462 g/mol), which was ignited to giveAl2O3 (FM 101.961 g/mol) weighing 1.178 g.Find the weight percent of Al (FM 26.982 g/mol) in the original mixture.

Mass of the original mixture containing Al taken for analysis = 7.158 g

Answered: Solid residue weighing 7.158 g from an…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Solid residue weighing 7.158 g from an aluminum refining process was dissolved in acid to give Al³⁺ in solution.

The solution was treated with 8-hydroxyquinoline to precipitate (8-hydroxyquinoline)₃Al (FM 462.462 g/mol), which was ignited to give Al₂O₃ (FM 101.961 g/mol) weighing 1.178 g.

Find the weight percent of Al (FM 26.982 g/mol) in the original mixture.

Solid residue weighing 7.158 g from an aluminum refining process was dissolved in acid to give Al³+ in solution.
The solution was treated with 8-hydroxyquinoline to precipitate (8-hydroxyquinoline)3Al (FM 462.462 g/mol), which was ignited to give
Al2O3 (FM 101.961 g/mol) weighing 1.178 g.
Find the weight percent of Al (FM 26.982 g/mol) in the original mixture.

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