Question

Determine the number of atoms in 0.075 mol of Carbon (C)?
a.4.5 x 1022 atoms
b.1.2 x 1023 atoms
c.c.6.2 x 1023 atoms
d.2.2 x 1024 atoms

Answer 1

the answer is A
this is because
0.075 x 6 x 10^23 
= 0.45 x 10^23
= 4.5 x 10^22 atoms