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A 290.0-mL sample of spring water was treated to convert any iron present to Fet. Addition of 24.00-mL of 0.002577 M K2Cr2O7 resulted in the reaction 6FE2+ + Cr2O7? +14H+6Fe+ +2Cr+ +7H2O The excess K2 Cr207 was back-titrated with 8.58 mL of 0.00933 M Fe+ solution. Calculate the concentration of iron in the sample in parts per million. Concentration of inon = ppm

A 290.0-mL sample of spring water was treated to convert any iron present to Fet. Addition of 24.00-mL of 0.002577 M K2Cr2O7 resulted in the reaction 6FE2+ + Cr2O7? +14H+6Fe+ +2Cr+ +7H2O The excess K2 Cr207 was back-titrated with 8.58 mL of 0.00933 M Fe+ solution. Calculate the concentration of iron in the sample in parts per million. Concentration of inon = ppm

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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ackbQard Grammarly@EDUT Ap... 31 St. Mary's College of T... Sig Fig Galculator-& C.. EEE Bog g EEEN TK [References] A 290.0-mL sample of spring water was treated to convert any iron present to Fe+. Addition of 24.00-mL of 0.002577 M K2 Cr2O7 resulted in the reaction 6F22+ + Cr2O72 + 14H+ → 6Fe+ + 2Cr+ + 7H2O The excess K, Cr2O7 was back-titrated with 8.58 mL of 0.00933 M Fet solution. Calculate the concentration of iron in the sample in parts per million. Concentration of mon = ppm Submit Answer Retry Entire Group 2 more group attempts remaining
Transcribed Image Text:ackbQard Grammarly@EDUT Ap... 31 St. Mary's College of T... Sig Fig Galculator-& C.. EEE Bog g EEEN TK [References] A 290.0-mL sample of spring water was treated to convert any iron present to Fe+. Addition of 24.00-mL of 0.002577 M K2 Cr2O7 resulted in the reaction 6F22+ + Cr2O72 + 14H+ → 6Fe+ + 2Cr+ + 7H2O The excess K, Cr2O7 was back-titrated with 8.58 mL of 0.00933 M Fet solution. Calculate the concentration of iron in the sample in parts per million. Concentration of mon = ppm Submit Answer Retry Entire Group 2 more group attempts remaining
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