The table below shows the relative atomic masses and the percentage abudance of the isotopes L1 and L2 of element L.

      

The table below shows the relative atomic masses and the percentage abudance of the isotopes L1 and L2 of element L.
atomicmass4720171247.jpg
Calculate the relative atomic mass of element L.

  

Answers


John
$\frac{(62.93\times \; 69.09)+(64.93\times 30.91)}{100}$ = 43.4783 + 20.0698

= 63.548

johnmulu answered the question on April 7, 2017 at 09:52


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