alculate the amount of antimony in the sample and its percentage in the ore. mass of antimony: percentage of antimony:

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
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Problem 71QAP: Calcium in blood or urine can be determined by precipitation as calcium oxalate, CaC2O4. The...
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The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 6.47 g
sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCI(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 31.9 mL. of a 0.115 M aqueous solution of
KBrO, (aq). The unbalanced equation for the reaction is
Bro, (aq) + Sb" (aq) Br (aq) + Sb*(aq) (unbalanced)
Calculate the amount of antimony in the sample and its percentage in the ore.
mass of antimony:
percentage of antimony:
Transcribed Image Text:The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 6.47 g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCI(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 31.9 mL. of a 0.115 M aqueous solution of KBrO, (aq). The unbalanced equation for the reaction is Bro, (aq) + Sb" (aq) Br (aq) + Sb*(aq) (unbalanced) Calculate the amount of antimony in the sample and its percentage in the ore. mass of antimony: percentage of antimony:
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