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An unknown amount of a compound with a molecular mass of 258.11 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 325 nm is 0.494 in a 1.000 cm cuvette. The molar absorptivity for this compound at 325 nm is €325 = 5965 M-lcm-1. What is the concentration of the compound in the cuvette? concentration: M What is the concentration of the compound in the 10 mL flask? concentration: M

An unknown amount of a compound with a molecular mass of 258.11 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 325 nm is 0.494 in a 1.000 cm cuvette. The molar absorptivity for this compound at 325 nm is €325 = 5965 M-lcm-1. What is the concentration of the compound in the cuvette? concentration: M What is the concentration of the compound in the 10 mL flask? concentration: M

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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How many milligrams of compound were used to make the 10 mL solution? mass: mg
Transcribed Image Text:How many milligrams of compound were used to make the 10 mL solution? mass: mg
An unknown amount of a compound with a molecular mass of 258.11 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 325 nm is 0.494 in a 1.000 cm cuvette. The molar absorptivity for this compound at 325 nm is €325 = 5965 M-'cm-1. What is the concentration of the compound in the cuvette? concentration: M What is the concentration of the compound in the 10 mL flask? concentration: M
Transcribed Image Text:An unknown amount of a compound with a molecular mass of 258.11 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 325 nm is 0.494 in a 1.000 cm cuvette. The molar absorptivity for this compound at 325 nm is €325 = 5965 M-'cm-1. What is the concentration of the compound in the cuvette? concentration: M What is the concentration of the compound in the 10 mL flask? concentration: M
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