Are the vaporization pressures of pure water and saturated saltwater equal at the same temperature?
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Are the vaporization pressures of pure water and saturated saltwater the same at the same temperature? For example, the vaporization pressure of pure water at 100°C is 0.1 MPa; then, since saturated saltwater has not yet reached its boiling point at 100°C, is its vaporization pressure also 0.1 MPa?
Vapor pressure. The temperature is the same! The temperature of the liquid water is different!
Do you mean that the vapor pressure of saturated salt water at 100°C is less than 0.1 MPa?
The vapor phase saturation vapor pressure corresponds to saturated water vapor, while the liquid phase corresponds to solution concentration! Water boils at 100 degrees, while for saltwater, the concentration and temperature vary!
The vapor pressure of the electrolyte solution decreases. For example, the saturated solubility of sodium chloride in an aqueous solution at 100°C is about 40%, and its vapor pressure is around 75 kPa, which is approximately one-quarter lower than that of water.