Question

How many atoms of cadmium, `Cd,` are in 3.00 g of cadmium?

Answer 1

Some stoichiometry is required to answer this question:

`3.00g * (mol)/(112.4g) * (6.02*10^23at oms)/(mol) approx 1.61*10^22` cadmium atoms.

...and there you have it!