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The atomic mass of fluorine is 19.00 amu, and all fluorine

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

Solution for problem 119P Chapter 4

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 119P

The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for the difference.

Step-by-Step Solution:
Step 1 of 3

Solution 119P

The atomic mass of F is 19 amu whereas the atomic mass of Cl is 35.45. This can be explained properly on the basis of isotopes and its natural abundance. When the atoms have  same atomic number but different mass number is called isotopes.

Fluorine has 18 isotopes from 14F to 31F and among all, only F-19 is stable having 100%  natural abundance. All other isotopes are very unstable. Therefore, the atomic mass of Fluorine is 19 amu.

On the other hand Chlorine has two naturally occurring isotopes. These are  35Cl (75.78%) and 37Cl (24.22%).

Therefore the standard atomic mass of Chlorine is calculated...

Step 2 of 3

Chapter 4, Problem 119P is Solved
Step 3 of 3

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

The answer to “The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for the difference.” is broken down into a number of easy to follow steps, and 50 words. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. This full solution covers the following key subjects: mass, fluorine, chlorine, AMU, sample. This expansive textbook survival guide covers 19 chapters, and 2045 solutions. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. Since the solution to 119P from 4 chapter was answered, more than 1098 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 119P from chapter: 4 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM.

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