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how to calculate the relative abundance of chlorine isotope?????

how to calculate the relative abundance of chlorine isotope?????

Grade:12

1 Answers

Arun
25763 Points
3 years ago

chlorine has two isotopes: Cl-35 and Cl-37. Their relative abundance is 75.78% and 24.22%, respectively. To calculate the average atomic mass of chlorine, we take the weighted average of the isotope mass and its abundance:

(35 x 0.7578) + (37 x 0.2422) = 35.48 amu

The reported value is 35.453. The discrepancy is due to my using whole numbers for the isotope mass, introducing a slight error.

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