Question

How many moles of silver atoms are in 1.8 x 10^-21 atoms of silver?

Answer 1

hola!

We know,
1 Mole of anything has 6.02 × $10^{-23}$ particles

According to Question,

6.02 × $10^{-23}$ = 1 Mole

Thus,

1.8 × $10^{-21}$ / 6.02 × $10^{-23}$ = 0.33 Moles

hope it helps!