The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 5.59 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 Sb³+ (aq). The Sb³+ (aq) is completely oxidized by 24.4 mL of a 0.130 M aqueous solution of KBrO3(aq). The unbalanced equation for the reaction is 3+ 3+ BrO3(aq) + Sb³+ (aq). Br (aq) + Sb5+ (aq) (unbalanced) Calculate the amount of antimony in the sample and its percentage in the ore. mass of antimony: 0.6137 g
The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 5.59 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 Sb³+ (aq). The Sb³+ (aq) is completely oxidized by 24.4 mL of a 0.130 M aqueous solution of KBrO3(aq). The unbalanced equation for the reaction is 3+ 3+ BrO3(aq) + Sb³+ (aq). Br (aq) + Sb5+ (aq) (unbalanced) Calculate the amount of antimony in the sample and its percentage in the ore. mass of antimony: 0.6137 g
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 33QRT: Consider these half-reactions: (a) Which is the weakest oxidizing agent? (b) Which is the strongest...
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