Following is a table of data showing the absorbance of a solution of cobalt(II) ion at different concentrations at a wavelength of 510 nm. . Absorbance Concentration (M) 0.450 0.044 0.691 0.072 0.894 0.096 1.210 0.125 You are given a solution of unknown concentration containing cobalt(II) ions, which gives you an absorbance of 0.67. Calculate the unknown conc., using data from the table given above. (A = kC). Use the average ‘k’ value from the above set of data.

Following is a table of data showing the absorbance of a solution of cobalt(II) ion at different concentrations at a wavelength of 510 nm. . Absorbance Concentration (M) 0.450 0.044 0.691 0.072 0.894 0.096 1.210 0.125 You are given a solution of unknown concentration containing cobalt(II) ions, which gives you an absorbance of 0.67. Calculate the unknown conc., using data from the table given above. (A = kC). Use the average ‘k’ value from the above set of data.

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions

Section4.9: Spectrophotometry

Problem 4.14CYU

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