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.

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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
Transcribed Image Text: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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