16-06-2020
Chemistry

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what is the relative atomic mass of a hypothetical element that consists of the following isotopes in the indicated natural abundances?? pls help

what is the relative atomic mass of a hypothetical element that consists of the following isotopes in the indicated natural abundances pls help class=

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oluwaseyistephen30 oluwaseyistephen30

16-06-2020

Answer:

87.3

Explanation:

To calculate the relative atomic mass

((84.9*15)+(86.9*12.9)+(87.9*72.1))/15+12.9+72.1

(1273.5 + 1121.01 + 6337.59) / 100

8732.1/100

87.321 = 87.3

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