If 19.9% of Boron is Boron-10 and 80.1% is Boron-11, what is the average atomic mass?

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asked Feb 7, 2023 185k views

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Pedro Bernardes · Answer 1 · 2023-02-13T02:40:52+0000

Answer:

10.801=11

Step-by-step explanation:

avarage atomic mass =relative abundance of first isotope*mass number of first isotope/100+relative abundance of second isotope*mass number of second isotope/100

If 19.9% of Boron is Boron-10 and 80.1% is Boron-11, what is the average atomic mass?

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