southwardjaylen51 southwardjaylen51

06-10-2020
Chemistry

contestada

An unknown is discovered to have three isotopes. 25% have a mass of 86.0, 66% have a
mass of 89.0, and the rest have a mass of 92.0. What is the average atomic mass?

Respuesta :

ivan7777 ivan7777

06-10-2020

It’s obvious that it’s 13 because 89 - 92 =13

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