Density of potassium salts in water is plotted as function of wt, mol/kg water and mol/l solution. Changes in density of aqueous solutions with changes in concentration at 20☌. The pressures are stated in mega-Pascals, where a Pascal is a Newton per square meter, and as a multiple of standard atmospheric pressure. 25: 921: Water, heavy: 11.6: 1105: Water - pure: 4: 1000: Water - sea: 77 o F (25 o C) 1022: Whale oil: 15: 925: Wheatgerm oil: 25: 926. The specific volume of water depends on temperature as shown below: Heavy. Learn how water density changes with temperature and ice is less dense than water. Solution Summary: The author explains that Molality and molarity of pure water can be determined using the equation. Calculate the molality and molarity of pure water at this temperature. The output specific volume is given as cm /g, ft /lb, gal (US liq)/lb and ft. The density of seawater-The density of salt water is 1023. The calculator below can be used to calculate the liquid water specific volume at given temperatures. What is the density of water in g/cm 3 Students’ answers will vary, but their values should mostly be around 1 g/cm 3. At room temperature, around 2025 ☌, the density is about 0.99 g/cm 3. This widget calculates the density of water at various temperatures and pressures. Water Vapor and Vapor Pressure Saturated Vapor Pressure, Density for Water Tempīelow are some selected values of temperature and the saturated vapor pressures required to place the boiling point at those temperatures. Water has a density of 0.99823 g/ml at normal temperature. Water is most dense at 4 ☌ and at that temperature has a density of 1 g/cm 3.