The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitated with aqueous ammonia as the hydrous Al2O3 · XH2O. The precipitate was filtered and ignited at 100°C to give anhydrous Al2O3, which weighed 0.2001 g. Express the result of this analysis in terms of % Al.
The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitated with aqueous ammonia as the hydrous Al2O3 · XH2O. The precipitate was filtered and ignited at 100°C to give anhydrous Al2O3, which weighed 0.2001 g. Express the result of this analysis in terms of % Al.
Chemistry by OpenStax (2015-05-04)
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Chapter18: Representative Metals, Metalloids, And Nonmetals
Section: Chapter Questions
Problem 25E: A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric...
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The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitated
with aqueous ammonia as the hydrous Al2O3 · XH2O. The precipitate was filtered and ignited
at 100°C to give anhydrous Al2O3, which weighed 0.2001 g. Express the result of this analysis
in terms of % Al.
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