EDTA forms colored complexes with a variety of metal ions that may serve as the basis for a quantitative spectrophotometric method of analysis. The molar absorptivities of the EDTA complexes of Cu2+ and Co2+ at two wavelengths are summarized in the following table (all values of f are in M-1 cm-1). metal absorptivity at 732 nm absorptivity at 462.9 nm Co2+ 2.11 15.8 Cu2+ 95.2 2.32 In one solution, it has an absorbance of 0.453 at a wavelength of 732.0 nm and 0.107 at a wavelength of 462.9 nm. Determine the concentrations of each metals ions. (Note this is a simultaneous equation) 1. [ Select ] 2. [ Select ]
EDTA forms colored complexes with a variety of metal ions that may serve as the basis for a quantitative spectrophotometric method of analysis. The molar absorptivities of the EDTA complexes of Cu2+ and Co2+ at two wavelengths are summarized in the following table (all values of f are in M-1 cm-1). metal absorptivity at 732 nm absorptivity at 462.9 nm Co2+ 2.11 15.8 Cu2+ 95.2 2.32 In one solution, it has an absorbance of 0.453 at a wavelength of 732.0 nm and 0.107 at a wavelength of 462.9 nm. Determine the concentrations of each metals ions. (Note this is a simultaneous equation) 1. [ Select ] 2. [ Select ]
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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![EDTA forms colored complexes with a variety of metal ions that may serve as the basis for a quantitative
spectrophotometric method of analysis. The molar absorptivities of the EDTA complexes of Cu2+ and Co2+ at two
wavelengths are summarized in the following table (all values of f are in M-1 cm-1).
metal
absorptivity at 732 nm
absorptivity at 462.9 nm
Co2+
2.11
15.8
Cu2+
95.2
2.32
In one solution, it has an absorbance of 0.453 at a wavelength of 732.0 nm and 0.107 at a wavelength of 462.9
nm. Determine the concentrations of each metals ions. (Note this is a simultaneous equation)
1.
[ Select ]
2.
[ Select ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F030e8f1f-3a22-481f-ac49-3d2f3fbf1aac%2F2588aa80-b05f-432e-ba24-9552d16a3070%2Fe9o25z_processed.png&w=3840&q=75)
Transcribed Image Text:EDTA forms colored complexes with a variety of metal ions that may serve as the basis for a quantitative
spectrophotometric method of analysis. The molar absorptivities of the EDTA complexes of Cu2+ and Co2+ at two
wavelengths are summarized in the following table (all values of f are in M-1 cm-1).
metal
absorptivity at 732 nm
absorptivity at 462.9 nm
Co2+
2.11
15.8
Cu2+
95.2
2.32
In one solution, it has an absorbance of 0.453 at a wavelength of 732.0 nm and 0.107 at a wavelength of 462.9
nm. Determine the concentrations of each metals ions. (Note this is a simultaneous equation)
1.
[ Select ]
2.
[ Select ]
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