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The amount of Fe in a 0.4891-g sample of an ore is determined by titrating with K2Cr207. After dissolving the sample in HCI, the iron is brought into a +2 oxidation state using a Jones reductor. Titration to the diphenylamine sulfonic acid end point requires 36.92 mL of 0.02153 M K2Cr207. Report the ore's iron content as %w/w Fe203. In this problem, which is the titrant? O K2Cr207 O diphenylamine sulfonic acid Fe203 HCI Fe2+

The amount of Fe in a 0.4891-g sample of an ore is determined by titrating with K2Cr207. After dissolving the sample in HCI, the iron is brought into a +2 oxidation state using a Jones reductor. Titration to the diphenylamine sulfonic acid end point requires 36.92 mL of 0.02153 M K2Cr207. Report the ore's iron content as %w/w Fe203. In this problem, which is the titrant? O K2Cr207 O diphenylamine sulfonic acid Fe203 HCI Fe2+

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
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
Chapter19: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 15E: The standard reduction potential for the reaction [Co( H 2 O)6]3+(aq)+e[CO( H 2 O)6]2+(aq) is about...
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The amount of Fe in a 0.4891-g sample of an ore is determined by titrating with K2Cr207. After dissolving the sample in HCI, the iron is brought into a +2 oxidation state using a Jones reductor. Titration to the diphenylamine sulfonic acid end point requires 36.92 mL of 0.02153 M K2Cr207. Report the ore's iron content as %w/w Fe203. In this problem, which is the titrant? K2Cr207 diphenylamine sulfonic acid Fe203 HCI Fe2+
Transcribed Image Text:The amount of Fe in a 0.4891-g sample of an ore is determined by titrating with K2Cr207. After dissolving the sample in HCI, the iron is brought into a +2 oxidation state using a Jones reductor. Titration to the diphenylamine sulfonic acid end point requires 36.92 mL of 0.02153 M K2Cr207. Report the ore's iron content as %w/w Fe203. In this problem, which is the titrant? K2Cr207 diphenylamine sulfonic acid Fe203 HCI Fe2+
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