Problem: Gallium has two naturally occurring isotopes: gallium-69 (isotopic mass = 68.926 amu) and gallium-71 (isotopic mass = 70.925 amu). The atomic weight of gallium is 69.723 amu.Calculate the percent abundance of gallium-69.

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Gallium has two naturally occurring isotopes: gallium-69 (isotopic mass = 68.926 amu) and gallium-71 (isotopic mass = 70.925 amu). The atomic weight of gallium is 69.723 amu.

Calculate the percent abundance of gallium-69.

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Our tutors have indicated that to solve this problem you will need to apply the Isotopes concept. You can view video lessons to learn Isotopes. Or if you need more Isotopes practice, you can also practice Isotopes practice problems.

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Based on our data, we think this problem is relevant for Professor Raymond's class at VCU.