8. What happens when common salt is
dissolved in water? Explain briefly.
Answers
Answer:
Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.
Answer ⤵️
Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.
When a non-volatile solute is dissolved in a pure solvent, its vapour pressure is decreased. The difference in the boiling points of the solution and pure solvent is called elevation in boiling point.
The elevation in the boiling point of a solution of non-electrolyte is proportional to its molality and the equimolal solution of all the substances in the same solvent will show an equal elevation in boiling points. These are known as Raoult's laws of elevation of the boiling point.
So, the addition of salt will increases the boiling point of the solution