Question

Isotopes Mg-24,Mg-25 and Mg-26 has natural abundance of 79.0%,10.0% and 11.0%. Calculate the relative atomic mass for isotopes Mg-24,Mg-25 and Mg-26.
Please help me with with this question....​

Answer 1

79% of Mg-24
10% of Mg-25
11% of Mg-26

18.96 + 2.5 + 2.86 = 24.32u