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In chemistry, natural abundance refers to the abundance of isotopes of a chemical element that is naturally found on a planet. Its formula is given as: abundance of isotope = average atomic weight of the element / exact weight of isotope.

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9y ago
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15y ago

(number of atoms of a given isotope/total number of atoms of all isotopes of that element) x 100%

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15y ago

mass #69 isotope Ga mass 68.9257 = ? % abundance

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Q: What is the formula to find the natural abundance?
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