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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? Pleasee help!
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OpenStudy (anonymous):
Ratio=1.0290=Ga^71/Ga^69 69.723 amu = 60.108Ga^69+(39.892)(1.029)Ga^69 Solve from there.
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