The abundance of 12c is 98.9%. 13c is another naturally occurring isotope. what is the percent abundance of 13c?

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23-10-2017
Chemistry

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The abundance of 12c is 98.9%. 13c is another naturally occurring isotope. what is the percent abundance of 13c?

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barnuts barnuts · Answer 1 · 2017-11-02T12:23:01+01:00

barnuts barnuts

02-11-2017

Actually the total abundance of the isotopes of any element in this world must sum up to 100%. So we initially know that 12 C is 98.9 percent abundant, therefore the remaining of the 100 percent must be of 13 C, that is:

13 C = 100% - 98.9%

13 C = 1.1%

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