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Calculate the average atomic mass of magnesium using the following data for
three magnesium isotopes.
Isotope
mass (u)
relative abundance
Mg-24
23.985
0.7870
Mg-25
24.986
0.1013
Mg-26
25.983
0.1117

Respuesta :

rspill6

Answer:

24.310

Explanation:

Take the weighted average of weach isotope and add them to arrive at 24.310 average atomic mass.

Mg-24 23.985 78.70% 18.876

Mg-25 24.986 10.13%   2.531

Mg-26 25.983 11.17%   2.902

                100.0%  24.310

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