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Answer: Polychlorinated biphenyls (PCBs) have been used

Chemical Principles | 8th Edition | ISBN: 9781305581982 | Authors: Steven S. Zumdahl ISBN: 9781305581982 176

Solution for problem 4.129 Chapter 4

Chemical Principles | 8th Edition

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Chemical Principles | 8th Edition | ISBN: 9781305581982 | Authors: Steven S. Zumdahl

Chemical Principles | 8th Edition

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Problem 4.129

Polychlorinated biphenyls (PCBs) have been used extensively as dielectric materials in electrical transformers. Because PCBs have been shown to be potentially harmful, analysis for their presence in the environment has become very important. PCBs are manufactured according to the following generic reaction: C12H10 1 nCl2 88888n C12H102nCln 1 nHCl This reaction results in a mixture of PCB products. The mixture is analyzed by decomposing the PCBs and then precipitating the resulting Cl2 as AgCl. a. Develop a general equation that relates the average value of n to the mass of a given mixture of PCBs and the mass of AgCl produced. b. A 0.1947-g sample of a commercial PCB yielded 0.4971 g of AgCl. What is the average value of n for this sample?

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Chemistry Lecture Notes Chem for the World Around Us 9/27/16 Water How do we verify if our drinking water is safe More than half of our body composition is water (62% men, 57% women, even more for children) Water as a Solvent Blood plasma is an aqueous solution, oxygen dissolves i n this Blood carries dissolved CO2 to lungs Transports nutrients and waste materials Water in...

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Chapter 4, Problem 4.129 is Solved
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Textbook: Chemical Principles
Edition: 8
Author: Steven S. Zumdahl
ISBN: 9781305581982

Since the solution to 4.129 from 4 chapter was answered, more than 239 students have viewed the full step-by-step answer. The answer to “Polychlorinated biphenyls (PCBs) have been used extensively as dielectric materials in electrical transformers. Because PCBs have been shown to be potentially harmful, analysis for their presence in the environment has become very important. PCBs are manufactured according to the following generic reaction: C12H10 1 nCl2 88888n C12H102nCln 1 nHCl This reaction results in a mixture of PCB products. The mixture is analyzed by decomposing the PCBs and then precipitating the resulting Cl2 as AgCl. a. Develop a general equation that relates the average value of n to the mass of a given mixture of PCBs and the mass of AgCl produced. b. A 0.1947-g sample of a commercial PCB yielded 0.4971 g of AgCl. What is the average value of n for this sample?” is broken down into a number of easy to follow steps, and 124 words. This textbook survival guide was created for the textbook: Chemical Principles, edition: 8. This full solution covers the following key subjects: . This expansive textbook survival guide covers 20 chapters, and 2754 solutions. The full step-by-step solution to problem: 4.129 from chapter: 4 was answered by , our top Chemistry solution expert on 12/23/17, 04:53PM. Chemical Principles was written by and is associated to the ISBN: 9781305581982.

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Answer: Polychlorinated biphenyls (PCBs) have been used

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