7. Simultaneous determination of cobalt and nickel can be basedupon absorption by their respective 8-hydroxyquinolinol complexes.The slopes of the calibration curves corresponding to theirabsorption maxima are as follows:MetalSlopes (L/mol)365 nm700 nmCo2+7058857.8Ni²+20.46456If a 2.00 cm cuvette was used in the analysis, calculate the molarconcentration of nickel and cobalt in the solution which has anabsorbance of 0.698 and 0.497 at 365 and 700 nm, respectively.[Co²+]:Unit:[Ni²+]:Unit:

Beer's law equation is; A = ε*b*C If we compare this equation with the equation of straight like, Y…

7. Simultaneous determination of cobalt and nickel can be based upon absorption by their respective 8-hydroxyquinolinol complexes. The slopes of the calibration curves corresponding to their absorption maxima are as follows: Metal Slopes (L/mol) 365 nm 700 nm Co²+ 7058 857.8 Ni²+ 20.4 6456 If a 2.00 cm cuvette was used in the analysis, calculate the molar concentration of nickel and cobalt in the solution which has an absorbance of 0.698 and 0.497 at 365 and 700 nm, respectively. [Co²+]: Unit: [Ni2+]: Unit:

7. Simultaneous determination of cobalt and nickel can be based upon absorption by their respective 8-hydroxyquinolinol complexes. The slopes of the calibration curves corresponding to their absorption maxima are as follows: Metal Slopes (L/mol) 365 nm 700 nm Co²+ 7058 857.8 Ni²+ 20.4 6456 If a 2.00 cm cuvette was used in the analysis, calculate the molar concentration of nickel and cobalt in the solution which has an absorbance of 0.698 and 0.497 at 365 and 700 nm, respectively. [Co²+]: Unit: [Ni2+]: Unit:

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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