A 5.850-g sample containing KCl and KClO4 was dissolved in sufficient water to give 250.00 mL of solution. A 50.00-mL portion of the solution required 43.94 mL of 0.0750 M AgNO3 in a Mohr titration. Next, a 25.00-mL portion of the original solution was treated with V₂(SO4)3 to reduce the perchlorate ion to chloride, 8 V³+ (aq) + C1O4 (aq) + 12 H₂O(l) → Cl(aq) +8 VO²+ (aq) + 8 H3O+ (aq) and the resulting solution was titrated with AgNO3. This titration required 38.06 mL of 0.0750 M AgNO3. What is the mass percent of KCl and KC1O4 in the mixture? % KCI % KC1O4

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 32PS: Without doing detailed calculations, sketch the curve for the titration of 50 mL of 0.050 M...
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A 5.850-g sample containing KCl and KClO4 was dissolved in sufficient water to give 250.00 mL of solution. A 50.00-mL portion of the solution required 43.94 mL
of 0.0750 M AgNO3 in a Mohr titration. Next, a 25.00-mL portion of the original solution was treated with V2(SO4)3 to reduce the perchlorate ion to chloride,
8 V³+ (aq) + C1O4¯¯ (aq) + 12 H₂O(l) → Cl¯ (aq) + 8 VO²+ (aq) + 8 H3O+ (aq)
and the resulting solution was titrated with AgNO3. This titration required 38.06 mL of 0.0750 M AgNO3. What is the mass percent of KCl and KClO4 in the
mixture?
% KC1
% KC104
Transcribed Image Text:A 5.850-g sample containing KCl and KClO4 was dissolved in sufficient water to give 250.00 mL of solution. A 50.00-mL portion of the solution required 43.94 mL of 0.0750 M AgNO3 in a Mohr titration. Next, a 25.00-mL portion of the original solution was treated with V2(SO4)3 to reduce the perchlorate ion to chloride, 8 V³+ (aq) + C1O4¯¯ (aq) + 12 H₂O(l) → Cl¯ (aq) + 8 VO²+ (aq) + 8 H3O+ (aq) and the resulting solution was titrated with AgNO3. This titration required 38.06 mL of 0.0750 M AgNO3. What is the mass percent of KCl and KClO4 in the mixture? % KC1 % KC104
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