Question

How do you calculate the average atomic mass of carbon if 98.90% of the atoms are C-12 (12.000000 and 1.100% are C-13 atoms (13.003354 amu)?

Answer 1

12.011036894

Explanation:

Average atomic mass of carbon `= (0.989*12)+(0.011*13.003354) = 12.011036894`