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A 0.5086 g solid sample containing a mixture of LaCl, (molar mass = 326.13 g/mol) was dissolved in water. The solution was titrated with KIO, , producing the precipitates La(IO,), and Ce(IO,)3. For the complete titration of both La³+ and Ce³+, 44.42 mL of 0.1294 M KIO, was required. Calculate the mass 245.26 g/mol) and Ce(NO,), (molar mass = fraction of La and Ce in the sample. mass fraction La: g La g sample mass fraction Ce: g Ce g sample

A 0.5086 g solid sample containing a mixture of LaCl, (molar mass = 326.13 g/mol) was dissolved in water. The solution was titrated with KIO, , producing the precipitates La(IO,), and Ce(IO,)3. For the complete titration of both La³+ and Ce³+, 44.42 mL of 0.1294 M KIO, was required. Calculate the mass 245.26 g/mol) and Ce(NO,), (molar mass = fraction of La and Ce in the sample. mass fraction La: g La g sample mass fraction Ce: g Ce g sample

Introduction to Chemical Engineering Thermodynamics
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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A 0.5086 g solid sample containing a mixture of LaCl, (molar mass = 245.26 g/mol) and Ce(NO,), (molar mass = 326.13 g/mol) was dissolved in water. The solution was titrated with KIO,, producing the precipitates La(IO,), and Ce(IO,)2. For the complete titration of both La³+ and Ce3+ , 44.42 mL of 0.1294 M KIO, was required. Calculate the mass fraction of La and Ce in the sample. mass fraction La: g La sample mass fraction Ce: g Ce g sample
Transcribed Image Text:A 0.5086 g solid sample containing a mixture of LaCl, (molar mass = 245.26 g/mol) and Ce(NO,), (molar mass = 326.13 g/mol) was dissolved in water. The solution was titrated with KIO,, producing the precipitates La(IO,), and Ce(IO,)2. For the complete titration of both La³+ and Ce3+ , 44.42 mL of 0.1294 M KIO, was required. Calculate the mass fraction of La and Ce in the sample. mass fraction La: g La sample mass fraction Ce: g Ce g sample
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