1. What is the density of a material if 50.0 cm^3 has a mass of 212.5 g?
2. What is the volume of 30 g of iron? (Be especially careful with significant figures on this one.)
3. If a material has a mass of 4325 g and takes up 0.50 m^3, what is it?
4. What is the mass of water in a 115 L tank?