6 One liter of pure water has a mass of 1 kilogram. a What is the volume in milliliters of this amount? Remember that 1 liter is 10 b How many tons of water are in a pool that holds 400 000 1? One liter of salt water has a mass of 1.2 kg. How many liters of water are in a pool with 360 000 kg of salt water?