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Calculate the average atomic mass for the element beryllium, given this information about the
relative abundance of its 3 isotopes.
Be-8 = 0.2% Be-9 = 98.9% Be-10 = 0.9%. Please show all your work.

Respuesta :

rspill6

Answer:  9.007

Explanation:

Be-8  8 x   0.20%  = 0.016

Be-9 9 x 98.90% =     8.901

Be-10 10 x 0.90%  =        0.09

        100.00%       9.007