Question

How many moles of gold are there in
4.54 x 1022 atoms of gold?

Answer 1

0.075mole

Step-by-step explanation:

1 mole of gold contains 6.02x10^23 atoms as explained by Avogadro's hypothesis.

Therefore Xmol of gold will contain 4.54x10^22 atoms i.e

Xmol of gold = (4.54x10^22)/6.02x10^23 = 0.075mole