Lilmissshortstuff03 Lilmissshortstuff03

21-09-2019
Chemistry

contestada

4. Ninety-two percent of the atoms of an element have a mass of 28 u, 5% have a mass of 29 u, and the remaining atoms have a mass of 30 u. Calculate the average atomic mass and identify
the element.

Respuesta :

30-09-2019

Answer:

.92(28)+0.05(29)+0.03(30)=25.76+1.45+0.9=28.11

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Explanation:

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