Question

How many atoms are in 3.89 moles of Cu?

2.34 X 1024 atoms

2,340 atoms

6.46 X 10-24 atoms

6.02 X 1023 atoms

Answer 1

2.34×10^24

Step-by-step explanation:

N=n×Na

N=3.89×(6.02×10^23)

N=2.34×+0^24 atoms of Cu