Answer :
Moles of gold = mass of gold/atomic weight of gold
= 0.65/196.967
= 3.3 x 10^-3
Number of gold atoms = moles x 6.02 x 10^23
= 1.98 x 10^21 atoms
Hope this helps!
= 0.65/196.967
= 3.3 x 10^-3
Number of gold atoms = moles x 6.02 x 10^23
= 1.98 x 10^21 atoms
Hope this helps!