What is the percent abundance of the isotope with the mass number of 67?
What is the percent abundance of the isotope with the mass number of 67?
A hypothetical element has an atomic weight of 69.72 amu. The two isotopes of this element have mass numbers of 67 and 70. What is the percent abundance of the isotope with the mass number of 67?
(work please too!)
i dont know what to do with the x!!!
Best answer:
Answer by kymyst007
I won’t work it but I’ll give you the formula.
69.72=(67x) + (70(1-x))
x = 0.093 or 9.3 %
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