For the element X, 2 isotopes exist. Atoms with an atomic mass of 10.012 amu occur in 19.91% of natural samples. Atoms with an atomic mass of 11.009 amu occur in 80.09% of natural samples. What is the atomic mass of element X?
10.51 amu
10.51 amu
1081.05 amu
1081.05 amu
10.511 amu
10.511 amu
10.81 amu
Answers: 1
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For the element X, 2 isotopes exist. Atoms with an atomic mass of 10.012 amu occur in 19.91% of natu...
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