A solution containing Cu2+ is analyzed by atomic absorption and gives an absorbance of 0.01000 units. The solution is spiked to increase the Cu2+ concentration by 2.000 mg/L and then gives an absorbance of 0.01613 units. (a) What is the concentration of Cu2+ in the solution (mg/L)? (b) The 1.000 mg/L solution of Cu2+ alone gave an absorbance of 0.00408 units; was the standard addition needed? Yes or No

A solution containing Cu2+ is analyzed by atomic absorption and gives an absorbance of 0.01000 units. The solution is spiked to increase the Cu2+ concentration by 2.000 mg/L and then gives an absorbance of 0.01613 units. (a) What is the concentration of Cu2+ in the solution (mg/L)? (b) The 1.000 mg/L solution of Cu2+ alone gave an absorbance of 0.00408 units; was the standard addition needed? Yes or No

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter27: Molecular Fluorescence Spectroscopy

Section: Chapter Questions

Problem 27.13QAP

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