Chemistry, 22.09.2020 18:01 danielzgame

3. Element X has two isotopes, Isotope A and Isotope B. A sample of element X consists of 60.1% Isotope A and 39.9% Isotope B. The atomic mass of Isotope A is 68.926 amu, and the atomic mass of Isotope B is 70.925 amu. Based on this information, which TWO statements are true? Isotope A is more abundant than Isotope B. Isotope B is more abundant than Isotope A. The average atomic mass of element X is less than 69 amu. The average atomic mass of element X is greater than 69 amu. The average atomic mass of element X is greater than 70 amu.

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3. Element X has two isotopes, Isotope A and Isotope B. A sample of element X consists of 60.1% Isot...