addisonliles2022 addisonliles2022
  • 28-11-2022
  • Chemistry
contestada

An unknown element X has the following isotopes: 25X (80.50%
abundant, mass = 25.03 amu) and 27X (19.50% abundant, mass =
26.98 amu). What is the average atomic mass of X in amu?

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