Concept explainers
To Find: The
Answer to Problem 11STP
35.5 amu.
Explanation of Solution
Introduction:
The chlorine has two isotopes, and they are chlorine-35 and chlorine-37. The average mass of chlorine depends on the abundance of its isotopes.Three chlorine atoms are chlorine-35 and one is chlorine-37.
The chlorine consists of two major isotopes one is with 18 neutrons and it is 75.77% and another with 20 neutrons that is 24.23% of natural chlorine atoms.
By conversing the percentage to the decimal form
By multiplying and adding mass abundance by its percentage.
The average atomic mass of isotopes of chlorine is
Hence, the average atomic mass is 35.5 amu.
Conclusion:
The average atomic mass of the chlorine is 35.5 amu.
Chapter 16 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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