Answer:
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