# Average Molar Atomic Weight of Chlorine

What is the average molar atomic weight of chlorine, if the natural abundance of Cl-35 and Cl-37 isotopes are 75.4 molar % and 24.6 molar %, respectively?

M(Cl-35) = 34.969 g/mole

M(Cl-37) = 36.966 g/mole.

https://brainmass.com/chemistry/stoichiometry/average-molar-atomic-weight-chlorine-6529

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We can easily calculate this by using mole fractions. The mole fraction (x) is one ...

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The solution determines the average molar atomic weight of chlorine.

$2.49