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51.86% of all the isotopes of an element have a mass of 106.82 amu and 48.14% have a mass of 109.03 amu.

What is the average mass of this element?

5186 of all the isotopes of an element have a mass of 10682 amu and 4814 have a mass of 10903 amu What is the average mass of this element class=

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Answer:

Average Mass = 107.88 amu

Explanation:

We can calculate the average mass of an element by mutlpying the mass of its isotopes by their respective relative abundance and then making a total sum. Meaning that for this case:

  • Average Mass = 106.82 amu * 51.86/100 + 109.03 amu * 48.14/100
  • Average Mass = 107.88 amu

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