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15-09-2022
Chemistry

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Can someone help me with this please.

Can someone help me with this please class=

Respuesta :

hopegirmab hopegirmab

15-09-2022

Answer:79.986

Explanation:

to calculate the average atomic mass

m1*p1+m2*p2+.......

so we gone use the formula

79.0*0.507+81.0*0.493= 79.986

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