Question

SUPPOSE A PIECE OF SILVER JEWELRY CONTAINS 7.15x10^22 ATOMS OF SILVER (Ag). How many dozens of silver atoms are in the piece of jewelry?

Answer 1

We have 7.15x10^22 atoms of Ag

We must know that a dozen of atoms is equal to 12 atoms.

Procedure:

7.15x10^22 atoms/(12 atoms/dozen) = 5.96x10^21 dozens approximately

Answer: 5.96x10^21 dozens