A 22.000 g sample of copper is hammered to make a uniform sheet of copper with a thickness of 0.100 mm. What is the area of this sheet in cm^2 given the density of the copper to be 8.9 g/cm^3?
Volume of sheet V Area(A) x thickness (0.1mm) V cm^3 A cm^2 x 0.01 cm Density mass/V 8.9 g/cm^3 22 g/ 0.01A cm^3 A 22/0.01x8.9 247 cm^2
