There are three natural isotopes for element L (L- 124, L-12…

Questions

There аre three nаturаl isоtоpes fоr element L (L- 124, L-126, and L-127). Below are the atomic masses and percent abundances of element L. Determine the average atomic mass of the element.   L-124  123.9992 amu  22.101%  L-126  125.9909 amu  10.710%  L-127  126.9871 amu  67.189% 

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