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Two samples of carbon tetrachloride are decomposed into their constituent elements. One

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 26P Chapter 5

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 26P

Two samples of carbon tetrachloride are decomposed into their constituent elements. One sample produces 32.4 g of carbon and 373 g of chlorine, and the other sample produces 12.3 g of carbon and 112 g of chlorine. Are these results consistent with the law of constant composition? Explain your answer.

Step-by-Step Solution:
Step 1 of 3

Solution 26P

Moles of C in the first sample = 32.4 / 12 = 2.7

moles of Cl = 373/35.5 = 10.51

ratio C : Cl = 2.7 : 10.51

divide by the smallest

C: Cl = 1:3.9

in the second

moles of C = 12.3/12 = 1.025

moles of Cl = 112/35 = 3.2

ratio C:Cl = 1.025 : 3.2 = 1        :3.12

these results are not consistent with the the law of composition as the molar ratio of the components are different .

Step 2 of 3

Chapter 5, Problem 26P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Two samples of carbon tetrachloride are decomposed into their constituent elements. One