one: Topic Molecular Spectroscopy (16 marks) You were given an unknown mixture that contains two metal salts (A) Co(NO3)2 and (B) Cr(NO3)2 and requested to determine their concentration. The following representative information about the absorbance data were also provided. Measurements were made in a 1.0 cm quartz cells. Pure A (mol/l) Pure B (mol/l) 0 Abs @510 nm Abs @575 nm 1.5 x 101 0 6 x 102 Unknown conc in mixture 0.714 0.097 0.298 0.757 Unknown conc in mixture 0.671 0.330 How would you go about calculating the concentration of the two salts?
one: Topic Molecular Spectroscopy (16 marks) You were given an unknown mixture that contains two metal salts (A) Co(NO3)2 and (B) Cr(NO3)2 and requested to determine their concentration. The following representative information about the absorbance data were also provided. Measurements were made in a 1.0 cm quartz cells. Pure A (mol/l) Pure B (mol/l) 0 Abs @510 nm Abs @575 nm 1.5 x 101 0 6 x 102 Unknown conc in mixture 0.714 0.097 0.298 0.757 Unknown conc in mixture 0.671 0.330 How would you go about calculating the concentration of the two salts?
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter27: Gas Chromatography
Section: Chapter Questions
Problem 27.5QAP
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one: Topic Molecular Spectroscopy (16 marks)
You were given an unknown mixture that contains two metal salts (A) Co(NO3)2 and (B) Cr(NO3)2 and requested to determine their concentration. The following representative information about the absorbance data were also provided. Measurements were made in a 1.0 cm quartz cells.
Pure A (mol/l)
Pure B (mol/l)
0
Abs @510 nm
Abs @575 nm
1.5 x 101
0
6 x 102
Unknown conc in mixture
0.714
0.097
0.298
0.757
Unknown conc in mixture
0.671
0.330
How would you go about calculating the concentration of the two salts?
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