Your Turn! 1. A loaf of bread has a volume of 2270 cm and a mass of 454 g. What is the density of the bread? 2. A liter of water has a mass of 1000 g. What is the density of water? (Hint: 1 ml = 1 cm3) = 3. A block of wood has a density of 0.6 g/cm' and a volume of 1.2 cm'. What is the mass of the block of wood? Be careful! 4. Use the data below to calculate the density of each unknown substance. Then use the density chart above to determine the identity of each substance.