How many c-13 atoms are present, on average, in a 2.3000ã104-atom sample of carbon?

            ¹³C Atoms  =  246

Solution:

The Natural Abundance of Carbon Isotopes is as follow;

                             ¹²C  Natural Abundance  =  98.93 %

                             ¹³C  Natural Abundance  =  1.07 %

                              ¹⁴C Natural Abundance  =  1 ppt

The Number of ¹³C atoms is calculated as,

                          ¹³C Atoms  =  (2.3 × 10⁴ × 1.07 %) ÷ 100 %

                          ¹³C Atoms  =  246

more info ? ? i don't understand what the question is

explanation:

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