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OpenStudy (anonymous):
Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71 . The ratio of the masses of the two isotopes is 1.0290. What is the mass of Ga−69 ?
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OpenStudy (aaronq):
you need to write 2 equations using the data you have and substitute one into the other, then solve.
OpenStudy (aaronq):
The first equation is: \(Atomic\;mass_{average}=\Sigma (mass_{isotope\;A}*\%abundace_{isotope\;A})\) the second is the ratio of the two isotopes.
OpenStudy (anonymous):
Do you need x-values?
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