An imaginary element Y occurs 30% of the time with a mass of 57.9 a.m.u. The remaining sample of Y has a mass of 60.9 a.m.u. What is the average atomic mass of Y?
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The average atomic mass of the element will be 60
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Hey dear,
● Answer -
Average atomic mass of Y is 60 amu.
● Explanation -
Here, element Y has two isotopes Y(57.9) & Y(60.9).
Average atomic mass of Y is -
Average mass = 57.9 × fraction of Y(57.9) + 60.9 × fraction of Y(60.9)
Average mass = 57.9 × 30% + 60.9 × 70%
Average mass = 17.37 + 42.63
Average mass = 60 amu
Hope this helped you..
● Answer -
Average atomic mass of Y is 60 amu.
● Explanation -
Here, element Y has two isotopes Y(57.9) & Y(60.9).
Average atomic mass of Y is -
Average mass = 57.9 × fraction of Y(57.9) + 60.9 × fraction of Y(60.9)
Average mass = 57.9 × 30% + 60.9 × 70%
Average mass = 17.37 + 42.63
Average mass = 60 amu
Hope this helped you..
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