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An unknown cadmium(II) solution was analyzed polarographically by the method of standard additions. A 20.00-mL sample of the unknown solution produced a diffusion current of 1.32 µA. Following addition of a 5.00- mL aliquot of 3.65 x 10-8 M Cd²+ standard solution to the unknown solution, a diffusion current of 5.30 µA was produced. Calculate the concentration of Cd²+ in the unknown solution. Concentration M

An unknown cadmium(II) solution was analyzed polarographically by the method of standard additions. A 20.00-mL sample of the unknown solution produced a diffusion current of 1.32 µA. Following addition of a 5.00- mL aliquot of 3.65 x 10-8 M Cd²+ standard solution to the unknown solution, a diffusion current of 5.30 µA was produced. Calculate the concentration of Cd²+ in the unknown solution. Concentration M

Chemistry
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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An unknown cadmium(II) solution was analyzed polarographically by the method of standard additions. A 20.00-mL sample of the unknown solution produced a diffusion current of 1.32 µA. Following addition of a 5.00- mL aliquot of 3.65 x 10- M 2+ Cdt standard solution to the unknown solution, a diffusion current of 5.30 µA was produced. Calculate the concentration of Cd²+ in the unknown solution. Concentration M
Transcribed Image Text:An unknown cadmium(II) solution was analyzed polarographically by the method of standard additions. A 20.00-mL sample of the unknown solution produced a diffusion current of 1.32 µA. Following addition of a 5.00- mL aliquot of 3.65 x 10- M 2+ Cdt standard solution to the unknown solution, a diffusion current of 5.30 µA was produced. Calculate the concentration of Cd²+ in the unknown solution. Concentration M
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