For the UV-Vis absorption data below, calculate the concentration (106 M) for the metals N²+ in a river sample if the unknown solution was prepared by diluting 10.00 mL of river water with 10.00 mL of ligand solution and diluted to a final volume of 100.00 mL. Assume the absorbance was measured in a 1.00-cm cell. Solution Wavelength M2+ 650 nm standard N2+ standard M²+ 650 nm 425 nm ConcentrationAbsorbance 1.82E-05 1.82E-05 0.312 1.82E-05 standard N2+ 425 nm standard Unknown650 nm ? Unknown425 nm ? 0.723 1.82E-05 0.199 0.811 0.753 0.536

For the UV-Vis absorption data below, calculate the concentration (106 M) for the metals N²+ in a river sample if the unknown solution was prepared by diluting 10.00 mL of river water with 10.00 mL of ligand solution and diluted to a final volume of 100.00 mL. Assume the absorbance was measured in a 1.00-cm cell. Solution Wavelength M2+ 650 nm standard N2+ standard M²+ 650 nm 425 nm ConcentrationAbsorbance 1.82E-05 1.82E-05 0.312 1.82E-05 standard N2+ 425 nm standard Unknown650 nm ? Unknown425 nm ? 0.723 1.82E-05 0.199 0.811 0.753 0.536

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

For the UV-Vis absorption data below, calculate the concentration
(10-6 M) for the metals N²+ in a river sample if the unknown solution
was prepared by diluting 10.00 mL of river water with 10.00 mL of
ligand solution and diluted to a final volume of 100.00 mL. Assume
the absorbance was measured in a 1.00-cm cell.
Solution Wavelength
M²+
650 nm
standard
N²+
standard
M²+
650 nm
425 nm
ConcentrationAbsorbance
1.82E-05
1.82E-05 0.312
1.82E-05
standard
N2+
425 nm
standard
Unknown650 nm
?
Unknown425 nm ?
0.723
1.82E-05
0.199
0.811
0.753
0.536

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