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25 January, 20:47

Explain how to determine the average atomic mass from knowing the percent abundance of isotopes

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  1. 25 January, 21:14
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    The chlorine isotope with 18 neutrons has an abundance of 0.7577 and a mass number of 35 amu. To calculate the average atomic mass, multiply the fraction by the mass number for each isotope, then add them together.
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