. What is the atomic mass of sodium
A: 22 g/mol
B: 23 g/mol
C: 11 g/mol
D: 20 g/mol
Sodium has an average atomic mass of 22.989769 atomic mass units which are generally mentioned as 23 amu. This atomic mass, on the other hand, is the average atomic mass of all isotopes in nature.
Option B is the correct answer. Atomic mass of sodium is 23 g/mol.