The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 5.77 g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the antimony is in the form Sb (aq). The Sb" (aq) is completely oxidized by 28.5 mL of a 0.115 M aqueous solution of KBRO, (aq). The unbalanced equation for the reaction is BrO (aq) + Sb³+ (aq) Br (aq) + Sb³+ (aq) (unbalanced) Calculate the amount of antimony in the sample and its percentage in the ore. mass of antimony: percentage of antimony: 32 %6

The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 5.77 g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the antimony is in the form Sb (aq). The Sb" (aq) is completely oxidized by 28.5 mL of a 0.115 M aqueous solution of KBRO, (aq). The unbalanced equation for the reaction is BrO (aq) + Sb³+ (aq) Br (aq) + Sb³+ (aq) (unbalanced) Calculate the amount of antimony in the sample and its percentage in the ore. mass of antimony: percentage of antimony: 32 %6

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 71QAP: Calcium in blood or urine can be determined by precipitation as calcium oxalate, CaC2O4. The...

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