How does salt affect the boiling point of water? (in simple words)
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See my response above.
In simple terms, adding salt to water increases its boiling point. The reason for this is that salt molecules interfere with the water molecules' ability to escape into the air as vapor, which is what actually causes boiling.
To understand this concept more, we need to dive into a bit of science. Boiling occurs when the vapor pressure of a liquid (in this case, water) becomes equal to the atmospheric pressure. Vapor pressure is the pressure exerted by the vapor molecules above the liquid's surface.
When you add salt to water, the salt molecules dissolve, and they fill the spaces between the water molecules. This disrupts the water's ability to freely evaporate into the air. As a result, more heat energy is needed to overcome the increased resistance caused by the dissolved salt, and the boiling point of the water increases.
To determine the precise effect of salt on the boiling point, you can use the formula known as the boiling point elevation equation. This equation relates the change in boiling point to the concentration of the solute (in this case, salt) in the solution.
So, in simple words, salt raises the boiling point of water by interfering with the water molecules' escape into vapor and requiring more heat energy to boil.