1.000 g sample of an aluminum is dissolved, and the sulfate precipitated as BaSO4. The precipitate weighed 0.3486 g after it was washed and ignited. Assuming all the sulfate and aluminum in the sample were in the form of K₂Al₂(SO4)3 24H₂O, calculate the percentage of Al₂O₂ in the sample.

1.000 g sample of an aluminum is dissolved, and the sulfate precipitated as BaSO4. The precipitate weighed 0.3486 g after it was washed and ignited. Assuming all the sulfate and aluminum in the sample were in the form of K₂Al₂(SO4)3 24H₂O, calculate the percentage of Al₂O₂ in the sample.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter4: Reactions In Aqueous Solution

Section: Chapter Questions

Problem 78QAP: When 85.0 mL of 0.250 M Ba(OH)2 solution is added to 85.00 mL of 0.250 M Al (NO3)3 solution, a white...

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SAMPLE PROBLEM 8
A 1.000 g sample of an aluminum is dissolved, and the sulfate precipitated as BaSO4. The precipitate
weighed 0.3486 g after it was washed and ignited. Assuming all the sulfate and aluminum in the
sample were in the form of K₂Al₂(SO4)3 24H₂O, calculate the percentage of Al₂O3 in the sample.
8

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