A mixed with extraneous matter sample containing aluminum (Al) weighs 1.35 g. the sample a was precipitated as Al (OH)3 and ignited at 1230°C to yield a precipitate of Al2O3 weighing 255.00 mg. Calculate the mass percent of Al in the sample.given that: Molar Mass of aluminum = 27.00 g/mol and Molar Mass of Al2O3 =102.00 g/mol .

Wt. Of Sample = 1.35 g Mass of Al2O3 ppt. = 255.00 mg = 255 * 10-3 g Molar Mass of aluminum = 27.00…

Answered: A mixed with extraneous matter sample…

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter4: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 105AE: Chlorisondamine chloride (C14H20Cl6N2) is a drug used in the treatment of hypertension. A 1.28-g...

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A mixed with extraneous matter sample containing aluminum (Al) weighs 1.35 g. the sample a was precipitated as Al (OH)₃ and ignited at 1230°C to yield a precipitate of Al₂O₃ weighing 255.00 mg. Calculate the mass percent of Al in the sample.

given that: Molar Mass of aluminum = 27.00 g/mol and Molar Mass of Al₂O₃ =102.00 g/mol .

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