Quinine in a 1.939-g tablet was to be analyzed by dissolving it with 0.10 M HCI to a final volume of exactly 500 mL. This solution was diluted by adding 50.00 mL to a 100.0 mL flask and diluting to the mark. Afterwards the fluorescence intensity was found to be 394 in arbitrary units. Under identical experimental conditions, a standard 150.0-ppm had an intensity of 184.Quinine in a 1.939-g tablet was to be analyzed by dissolving it with 0.10 M HCI to a final volume of exactly 500 mL. This solution was diluted by adding 50.00 mL to a 100.0 mL flask and diluting to the mark. Afterwards the fluorescence intensity was found to be 394 in arbitrary units. Under identical experimental conditions, a standard 150.0-ppm had an intensity of 184. Calculate the number of milligrams in the original sample.
Quinine in a 1.939-g tablet was to be analyzed by dissolving it with 0.10 M HCI to a final volume of exactly 500 mL. This solution was diluted by adding 50.00 mL to a 100.0 mL flask and diluting to the mark. Afterwards the fluorescence intensity was found to be 394 in arbitrary units. Under identical experimental conditions, a standard 150.0-ppm had an intensity of 184.Quinine in a 1.939-g tablet was to be analyzed by dissolving it with 0.10 M HCI to a final volume of exactly 500 mL. This solution was diluted by adding 50.00 mL to a 100.0 mL flask and diluting to the mark. Afterwards the fluorescence intensity was found to be 394 in arbitrary units. Under identical experimental conditions, a standard 150.0-ppm had an intensity of 184. Calculate the number of milligrams in the original sample.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter20: Molecular Spectroscopy And Photochemistry
Section: Chapter Questions
Problem 6P
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