The content of l- in 2.3 g of sample was determined by volumetric precipitation. The sample was dissolved in 50 mL of water. Then, a 5 mL aliquot was transferred to an Erlenmeyer flask and 30 mL of 0.1 M AgNO3 was added, after the formation of the precipitate, the remaining silver was titrated with 12 mL of 0.2 M KSCN to reach the end point. A. What is the % m/m iodide in the sample?
The content of l- in 2.3 g of sample was determined by volumetric precipitation. The sample was dissolved in 50 mL of water. Then, a 5 mL aliquot was transferred to an Erlenmeyer flask and 30 mL of 0.1 M AgNO3 was added, after the formation of the precipitate, the remaining silver was titrated with 12 mL of 0.2 M KSCN to reach the end point. A. What is the % m/m iodide in the sample?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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The content of l- in 2.3 g of sample was determined by volumetric precipitation. The sample was dissolved in 50 mL of water. Then, a 5 mL aliquot was transferred to an Erlenmeyer flask and 30 mL of 0.1 M AgNO3 was added, after the formation of the precipitate, the remaining silver was titrated with 12 mL of 0.2 M KSCN to reach the end point.
A. What is the % m/m iodide in the sample?
Transcribed Image Text:Ag +
exceso
SCN + Ag
Fe³+ + SCN
=
Ag! (s)
Banen
AgSCN(s)
blanco
Fe(SCN)²
2+
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