How many atoms are in 4 moles of copper

Show your work for the calculation

2.41*10^24 atoms

Explanation:

1 mole of any substance contains 6.02*10^23 particles of this substance.

1 mole of copper - - - 6.02*10^23 atoms of copper

4 moles - - - x atoms

x = 4*6.02*10^23 = 2.41*10^24