Calculating the Atomic Weight of an Element from Isotopic
Chapter 1, Problem 4PE(choose chapter or problem)
Calculating the Atomic Weight of an Element from Isotopic AbundancesNaturally occurring chlorine is 75.78% 35Cl (atomic mass 34.969 amu) and 24.22% 37Cl (atomic mass 36.966 amu). Calculate the atomic weight of chlorine.Three isotopes of silicon occur in nature: 28Si (92.23%), atomic mass 27.97693 amu; 29Si (4.68%), atomic mass 28.97649 amu; and 30Si (3.09%), atomic mass 29.97377 amu. Calculate the atomic weight of silicon.
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