I'm confused on how to calculate the average atomic mass of this element
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I'm confused on how to calculate the average atomic mass of this element

[From: ] [author: ] [Date: 11-10-24] [Hit: ]
Then you do that for each of them and then you add it up.You should get the average atomic mass.......
I'm given the element Neon.
It gives me three isotopes of Neon: Ne-20, Ne-21, Ne-22.
It then gives me each isotope's Atomic Mass.
Then, I'm given the natural abundance of each isotope.

When I'm calculating the average atomic mass, am I supposed to use the mass numbers (20, 21, 22) or the atomic masses in my equation?

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Atomic masses.
The mass number is not accurate enough.

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You are supposed to multiply each of the mass numbers to its given %abundance
For example:
You have Ne-20 and you multiply that by the natural abundance of that isotope.
Then you do that for each of them and then you add it up.
You should get the average atomic mass.
Hope that helped :)
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