1. Fish liver oil is a good source of vitamin A, whose concentration is measured spectrometrically at a wavelength of 329 nm. (a) When 0.1232 g of fish-liver oil is dissolved in 500. mL of solvent, the absorbance is 0.724 units. When 1.67×10−3 g of vitamin A is dissolved in 250. mL of solvent, the absorbance is 1.018 units. Calculate the vitamin A concentration in the fish-liver oil.
1. Fish liver oil is a good source of vitamin A, whose concentration is measured spectrometrically at a wavelength of 329 nm. (a) When 0.1232 g of fish-liver oil is dissolved in 500. mL of solvent, the absorbance is 0.724 units. When 1.67×10−3 g of vitamin A is dissolved in 250. mL of solvent, the absorbance is 1.018 units. Calculate the vitamin A concentration in the fish-liver oil.
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
Chapter14: Mass Spectrometry
Section: Chapter Questions
Problem 14.38P
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1. Fish liver oil is a good source of vitamin A, whose concentration is measured spectrometrically at a wavelength of 329 nm.
(a) When 0.1232 g of fish-liver oil is dissolved in 500. mL of
solvent, the absorbance is 0.724 units. When 1.67×10−3 g of
vitamin A is dissolved in 250. mL of solvent, the absorbance
is 1.018 units. Calculate the vitamin A concentration in the
fish-liver oil.
(Please type answer no write by hend).
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