munoz8155 munoz8155

19-12-2019
Chemistry

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Magnesium element has three isotopes: 24Mg, 25Mg, and 26Mg. The natural abundance of the isotopes on Earth is 78.99% 24Mg with a mass of 23.985 amu, 10.00% 25Mg with a mass of 24.985 amu, and 11.01% 26Mg with a mass of 25.9825 amu. What is the average atomic mass of magnesium?

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PollyP52 PollyP52

19-12-2019

Answer:

24.305 to the nearest thousandth.

Explanation:

That is 0.7899*23.985 + 0.10* 24.985+0.1101*25.9825

= 24.305.

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