A hydrogen peroxide solution is analyzed by adding a slight excess of standard KMNO, solution and back-titrating the unreacted KMNO, with standard Fe" solution. A 0.587-g sample of the H,O, solution is taken, 25.0 ml. of 0.0215 M KMNO, is added, and the back-titration requires 5.10 ml, of 0.112 M Fe solution. What is the percent H,O2 in the sample? You may need to use any of the following chemical equations. 50, + 2Mn2+ + 8H,0 5H,0, + 2Mn0, + 6H* - 3MN2+ + 2Mn0; + 40H" - 5Mno2 + 2H,0 5FE2+ + Mn0 +8H* 2FE2+ + Mn0, + 4H* 5Fe +Mn2+ + 4H,0 2Fe+ + Mn2+ + 2H,0 Q4/ A hydrogen peroxide solution is analyzed by adding a slight excess ofstandard KMNO, solution and back-titrating the unreacted KMNO, withstandard Fe" solution. A 0.587-g sample of the HOz solution is taken, 25.0mL of 0.0215 M KMNO, is added, and the back-titration requires 5.10 mL of0.112 M Fe solution. What is the percent H2O2 in the sample? You mayneed to use any of the following chemical equations.5H,0, + 2MN0, + 6H* - 50, + 2MN2+ + 8H,03Mn2+ + 2Mn0, + 40H- - 5Mno, + 2H,05FE2+ + Mn0, + 8H* - 5Fe+ + Mn2+ + 4H,02Fe2+ + Mn0, + 4H* -2Fe+ + Mn2+ + 2H,0

Given that: the reaction is: ( in excess KMnO4) 5H2O2 + 2MnO4- + 6H+→5O2 + 2Mn+2 + 8H2O … eq(1)…

Answered: Q4/ A hydrogen peroxide solution is…

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 hydrogen peroxide solution is analyzed by adding a slight excess of standard KMNO, solution and back-titrating the unreacted KMNO, with standard Fe" solution. A 0.587-g sample of the H,O, solution is taken, 25.0 ml. of 0.0215 M KMNO, is added, and the back-titration requires 5.10 ml, of 0.112 M Fe solution. What is the percent H,O2 in the sample? You may need to use any of the following chemical equations. 50, + 2Mn2+ + 8H,0 5H,0, + 2Mn0, + 6H* - 3MN2+ + 2Mn0; + 40H" - 5Mno2 + 2H,0 5FE2+ + Mn0 +8H* 2FE2+ + Mn0, + 4H* 5Fe +Mn2+ + 4H,0 2Fe+ + Mn2+ + 2H,0

Q4/ A hydrogen peroxide solution is analyzed by adding a slight excess of
standard KMNO, solution and back-titrating the unreacted KMNO, with
standard Fe" solution. A 0.587-g sample of the HOz solution is taken, 25.0
mL of 0.0215 M KMNO, is added, and the back-titration requires 5.10 mL of
0.112 M Fe solution. What is the percent H2O2 in the sample? You may
need to use any of the following chemical equations.
5H,0, + 2MN0, + 6H* - 50, + 2MN2+ + 8H,0
3Mn2+ + 2Mn0, + 40H- - 5Mno, + 2H,0
5FE2+ + Mn0, + 8H* - 5Fe+ + Mn2+ + 4H,0
2Fe2+ + Mn0, + 4H* -
2Fe+ + Mn2+ + 2H,0

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