Examples (g-mol-atoms)
•5.00x 1020 Cr atoms = ? mol = ? g
 5.00 x 1020 atoms
6.022 x 1023 Cr atoms
1 mol Cr
=
8.30 x 10-4 mol Cr
8.30 x 10-4 mol Cr
1 mol Cr
52.00 g Cr
=
4.32 x 10-2 g Cr