Question 1
The density of copper is 8.96 g/cm
3. What is the mass in mg of a cube of copper that measures 2.31 mm on each side?
◦ 0.110 g
◦ 110 g
◦ 0.0207 g
◦ 2.07 g
Question 2
A gold ingot weighs 5.50 lbs. If the density of gold is 19.31 g/cm
3, and the length and width of the ingot are 12.0 cm and 3.00 cm respectively, what is the height of the ingot?
◦ 3.59 cm
◦ 6.50 × 10
-3 cm
◦ 1.34 × 10
3 cm
◦ 10.2 cm