Vapor pressure of a solution refers to the pressure exerted by the vapor of a liquid solution when it is in equilibrium with its pure liquid state at a given temperature.
The vapor pressure of a solution can be calculated using the Raoult's Law, which states that the vapor pressure of a solution is directly proportional to the mole fraction of the solvent in the solution.
The vapor pressure of a solution is affected by factors such as temperature, the types and concentrations of solutes and solvents present, and any external pressure applied to the system.
The vapor pressure of a solution is important because it affects the boiling point, freezing point, and other properties of the solution. It is also a key factor in many industrial processes, such as distillation and chemical reactions.
The ideal gas law, PV = nRT, can be used to calculate the vapor pressure of a solution, where P is the vapor pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. This equation can also be used to predict the vapor pressure of a solution at different temperatures.