Question

Calculate the number of atoms in each of the following amounts: 0.000000 2 mol helium

Answer 1

1.204x10^17 atoms

Step-by-step explanation:

1 mol = 6.02 x10^23 particles

0.0000002 mol = 2x 10^-7 x 6.02 x 10^23 = 1.204 x 10^17 atoms