the atomic weight of copper is63.5 g/mol and its density is 8.90 g/cm3. How many copper atoms are in a 1.00 kg block of copper?

(1.00 kg) × (1000 g/kg) / (63.5 g/mol) × (6.02214 × 10^23 atoms/mol) =
9.48 × 10^24 atoms

[The density is irrelevant.]...Show more