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day, calculate the concentration of toluene in the liquid phase for both days (umol/L, to one decimal place), assuming the bottle is at equilibrium on both days. Also, calculate the difference between the two concentrations (μmol/L, one decimal place).

day, calculate the concentration of toluene in the liquid phase for both days (umol/L, to one decimal place), assuming the bottle is at equilibrium on both days. Also, calculate the difference between the two concentrations (μmol/L, one decimal place).

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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6. A researcher measures the concentration toluene in a sealed bottle with 120 mL of water and 50 mL headspace (gas volume). The total mass of toluene in the bottle is 4 µmol. The first day she takes the measurement, the laboratory was at 15°C and on the second measurement day, the temperature was 18°C. Using dimensionless Henry's Law Constants (Hcc) of 0.163 for the first day and 0.191 for the second day, calculate the concentration of toluene in the liquid phase for both days (umol/L, to one decimal place), assuming the bottle is at equilibrium on both days. Also, calculate the difference between the two concentrations (µmol/L, one decimal place).
Transcribed Image Text:6. A researcher measures the concentration toluene in a sealed bottle with 120 mL of water and 50 mL headspace (gas volume). The total mass of toluene in the bottle is 4 µmol. The first day she takes the measurement, the laboratory was at 15°C and on the second measurement day, the temperature was 18°C. Using dimensionless Henry's Law Constants (Hcc) of 0.163 for the first day and 0.191 for the second day, calculate the concentration of toluene in the liquid phase for both days (umol/L, to one decimal place), assuming the bottle is at equilibrium on both days. Also, calculate the difference between the two concentrations (µmol/L, one decimal place).
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