Problem: Gallium has two naturally occurring isotopes with the following masses and natural abundances:Isotope Mass (amu) Abundance (%)Ga-6968.9255860.108Ga-7170.9247039.892Calculate the atomic mass of gallium.

FREE Expert Solution

Get the fractional abundance of each isotope and take the sum

86% (180 ratings)
View Complete Written Solution
Problem Details
Gallium has two naturally occurring isotopes with the following masses and natural abundances:


Isotope Mass (amu) Abundance (%)
Ga-6968.9255860.108
Ga-7170.9247039.892


Calculate the atomic mass of gallium.

Learn this topic by watchingAtomic Mass Concept Videos
All Chemistry Practice Problems Atomic Mass Practice Problems
Q.What is the symbol (including the atomic number, mass number, and element symbol) for the carbon isotope with 7 neutrons?
Q.Enter isotopic symbols of the form X-A (e.g., C-13) for each isotope.The silver isotope with 60 neutrons
Q.Enter isotopic symbols of the form X-A (e.g., C-13) for each isotope.The silver isotope with 62 neutrons
Q.Enter isotopic symbols of the form X-A (e.g., C-13) for each isotope.The uranium isotope with 146 neutrons
See all problems in Atomic Mass

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Atomic Mass concept. You can view video lessons to learn Atomic Mass. Or if you need more Atomic Mass practice, you can also practice Atomic Mass practice problems.