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09-11-2022
Chemistry

Answered

Question 15 (1 point)
A certain element has two isotopes. One isotope, which has an abundance or 72.15% has a mass of 84.9118 amu. The other has a mass of
86.9092 amu. Calculate the average mass for this element. (Hint: Both isotopes add up to 100% )
A) 85.464 amu
B) 85.325 amu
C) 86.887 amu
D) 84.742 amu

Answer :

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