(1) A drug with a molecular mass of 292.16 was dissolved in a 5.00 mL volumetric flask. A 1.00 mL aliquot was withdrawn, placed in a 10.00 ml volumetric flask, and diluted to the mark. The absorbance at 340 nm was 0.427 in a 1.00 cm cuvette. The molar absorptivity for this compound at 340 nm is 6130 M1 cm1. Calculate the concentration of compound in the cuvette? What will be the absorbance if the path length was decreased to 0.50 cm?

(1) A drug with a molecular mass of 292.16 was dissolved in a 5.00 mL volumetric flask. A 1.00 mL aliquot was withdrawn, placed in a 10.00 ml volumetric flask, and diluted to the mark. The absorbance at 340 nm was 0.427 in a 1.00 cm cuvette. The molar absorptivity for this compound at 340 nm is 6130 M1 cm1. Calculate the concentration of compound in the cuvette? What will be the absorbance if the path length was decreased to 0.50 cm?

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions

Section: Chapter Questions

Problem 20.26P

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