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Two samples of carbon tetrachloride were decomposed into

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 31E Chapter 2

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 31E

Two samples of carbon tetrachloride were decomposed into their constituent elements. One sample produced 38.9 g of carbon and 448 g of chlorine, and the other sample produced 14.8 g of carbon and 134 g of chlorine. Are these results consistent with the law of definite proportions? Show why or why not.

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Solution 31E First let’s see what is an isotope , before we write the symbol with superscript and subscript. Isotopes are atoms with the same number of protons but have different number of neutrons. Since the atomic number is equal to the number of protons and the atomic mass is the sum of protons and neutrons, we can also say that isotopes are elements with the same atomic number but ifferent mass number. Now we write the chemical symbol of each isotope with subscripts and superscripts: The representation for chemical symbol of an atom is as shown below : Where, ‘X ’ is symbol of element, ‘ is the mass number, and ‘Z’ is the atomic number. (a) the isotope of platinum that contains 118 neutrons : Platinum is a chemical element having symbol P t. Given, Number of neutrons = 118. We need to find the mass number and atomic number to write the chemical symbol. We get the Atomic number of Pt from the periodic table. Hence, a tomic number = 78. Mass number is the sum of number of protons and number of neutrons. We are given with number of neutrons. We have to now find, number of protons. Atomic number indicates the number of protons. Therefore, number of protons = 78. Hence, mass number = number...

Step 2 of 3

Chapter 2, Problem 31E is Solved
Step 3 of 3

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. This full solution covers the following key subjects: isotope, Neutrons, atomic, mass, arsenic. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. The answer to “Two samples of carbon tetrachloride were decomposed into their constituent elements. One sample produced 38.9 g of carbon and 448 g of chlorine, and the other sample produced 14.8 g of carbon and 134 g of chlorine. Are these results consistent with the law of definite proportions? Show why or why not.” is broken down into a number of easy to follow steps, and 52 words. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. The full step-by-step solution to problem: 31E from chapter: 2 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. Since the solution to 31E from 2 chapter was answered, more than 555 students have viewed the full step-by-step answer.

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