adri6472 adri6472

28-01-2021
Chemistry

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HELPP ME PLEASE PLEASE PLEASE IM BEGGING YOU!
Forty percent of atoms of an element have a mass of 16 AMU. sixty percent of atoms have a mass of 18 AMU. What is the average atomic mass, in AMU, of this element?

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jesusm1 jesusm1

28-01-2021

Answer:

(16)(.40)+18(.60)=
Then the average atomic mass in amu is 17.2

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