An experiment was performed in order to determine the concentration of a persulfate ( S2O8^-2) solution 2 I^- (aq) + S2O8^2- (aq) —> I2 (aq) + 2 SO4^2- (aq) A 25.00 mL aliquot of .1500 M KI solution was titrated to a purple blue endpoint with soduim persulfate as the titrant. The intial buret reading was 1.25 mL and the final buret reading was 15.78 mL. Calculate the concentration of the soduim persulfate. Determine the oxidation number of iodine, sulfur, and oxygen in the reaction above and determine which species is oxidized and which is reduced.

An experiment was performed in order to determine the concentration of a persulfate ( S2O8^-2) solution 2 I^- (aq) + S2O8^2- (aq) —> I2 (aq) + 2 SO4^2- (aq) A 25.00 mL aliquot of .1500 M KI solution was titrated to a purple blue endpoint with soduim persulfate as the titrant. The intial buret reading was 1.25 mL and the final buret reading was 15.78 mL. Calculate the concentration of the soduim persulfate. Determine the oxidation number of iodine, sulfur, and oxygen in the reaction above and determine which species is oxidized and which is reduced.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.40QAP

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