Question

The density of copper is 8.94 g/cm^3. What is the mass of a rectangular sheet of copper: 10 cm wide, 45 cm long, and 0.2 cm thick?

Answer 1

Density = mass/volume


Let mass=x

8.94= x/(10*45*.2)

X=8.94*90
Mass=804.6 g

Hope this helped :)