A 1.000-g sample of limestone gave a precipitate of Fe2O3 and Al2O3, weighing 0.0800 g. The precipitate of mixed oxides was fused with KHSO4, dissolved in sulfuric acid, and passed through a Jones reductor. The iron was titrated with 20.00 mL of 0.0100 N permanganate solution. Calculate the percentage of FeO and Al2O3 in the limestone (assume all iron present as FeO in the original sample)
A 1.000-g sample of limestone gave a precipitate of Fe2O3 and Al2O3, weighing 0.0800 g. The precipitate of mixed oxides was fused with KHSO4, dissolved in sulfuric acid, and passed through a Jones reductor. The iron was titrated with 20.00 mL of 0.0100 N permanganate solution. Calculate the percentage of FeO and Al2O3 in the limestone (assume all iron present as FeO in the original sample)
Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter18: Representative Metals, Metalloids, And Nonmetals
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Problem 115E: A mixture of xenon and ?uorine was heated. A sample of the white solid that formed reacted with...
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A 1.000-g sample of limestone gave a precipitate of Fe2O3 and Al2O3, weighing 0.0800 g. The precipitate of mixed oxides was fused with KHSO4, dissolved in sulfuric acid, and passed through a Jones reductor. The iron was titrated with 20.00 mL of 0.0100 N permanganate solution. Calculate the percentage of FeO and Al2O3 in the limestone (assume all iron present as FeO in the original sample)
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