Exercise on Atomic Weight: Solutions

Naturally occurring Chlorine is 75.78% 35Cl, which has an atomic mass of 34.969 amuand 24.22 % 37Cl,

Questions:
  1. Which one has an atomic mass of 36.966 amu?
  2. Calculate the average atomic mass (atomic weight) of Cl
Solution:
Atomic weight = average atomic mass = [35 × (75.78 &$47 100)] + [37 × (24.22 / 100)]= 35.484 amu




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Date of last modification: Summer , 2019