Inductively coupled plasma–optical emission spectrometry (ICP-OES) was used for the determination of cadmium using indium as an internal standard. A solution containing 2.15 ppm Cd2+ and 5.76 ppm In3+ gave signals of 19,291 and 37,190 counts for cadmium and indium, respectively. A 0.01652 g sample was dissolved in acid and quantitatively transferred to a 250.0 mL volumetric flask. A 1.00 mL aliquot of 264.5 ppm In3+ was added and the flask was diluted to volume with deionized water. ICP-OES analysis of the sample solution gave signals of 31,109 and 118,941 counts for cadmium and indium, respectively. What was concentration of the Cd2+ in the sample?Give answer all questions with explanation Inductively coupled plasma-optical emission spectrometry (ICP-OES) was usedfor the determination of cadmium using indium as an internal standard. AIn3+gave signals of 19,291solution containing 2.15 ppm Cd<+ and 5.76 ppmand 37,190 counts for cadmium and indium, respectively. A 0.01652 g samplewas dissolved in acid and quantitatively transferred to a 250.0 mL volumetricflask. A 1.00 mL aliquot of 264.5 ppm In3+to volume with deionized water. ICP-OES analysis of the sample solution gavesignals of 31,109 and 118,941 counts for cadmium and indium, respectively.was added and the flask was dilutedWhat was concentration of the Cd2+ in the sample?

A standard solution of 2.15 ppm Cd2+ gave signals of count = 19,291 A standard solution of 5.76 ppm…

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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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Inductively coupled plasma–optical emission spectrometry (ICP-OES) was used for the determination of cadmium using indium as an internal standard. A solution containing 2.15 ppm Cd2+ and 5.76 ppm In3+ gave signals of 19,291 and 37,190 counts for cadmium and indium, respectively. A 0.01652 g sample was dissolved in acid and quantitatively transferred to a 250.0 mL volumetric flask. A 1.00 mL aliquot of 264.5 ppm In3+ was added and the flask was diluted to volume with deionized water. ICP-OES analysis of the sample solution gave signals of 31,109 and 118,941 counts for cadmium and indium, respectively. What was concentration of the Cd2+ in the sample? Give answer all questions with explanation

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