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Grade: 12th pass

                        

If isotonic distribution of c12 and c14 is 98% and 2% respectively then no of c14 in 12 gm carobon will be

3 years ago

Answers : (1)

Arun
24730 Points
							

14 g of carbon -14 atoms contains = 6.023 × 1023 atoms

1g of carbon -14 atom contains =  6.023 × 1023/14

12g of carbon -14 atom contains = (6.023 × 1023 × 12) / 14

 = 5.16 × 1023

 Now its 2% is (5.16 × 1023  × 2 )/100

 =  10.32 × 1021

So, the number of C-14 atoms in 12 g of carbon is 10.32 × 1021

3 years ago
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