Question

در مرز
Calculate the number of atoms present in 1 gram
of gold (Atomic mass of Au=198)​

Answer 1

Explanation:

for 1g 6.023x10^23 atoms are present

for 198g x atoms are present

1g---- 6.023*10^23

198g---x

x=198*6.023*10^23

=1192.54*10^23