Question

The numbers of particles present in 69 grams of sodium atoms are:(Atomic mass, Na = 23)

Answer 1

Answer:

Atomic weight of a sodium atom is 23g. Number of protons in each sodium atoms is 11. Now follow the above method and find out the answer. In 69 g of sodium, there are 3 moles & hence 18.066 × 10^23 atoms.