How is an aqueous LIBr solution formed when solid LIBr dissolves in water?
The aqueous LIBr solution is formed by the dissolution of LIBr in water. The water molecules pull the ions present at the surface of the solid into solution, where the hydration process surrounds the separate ions with water molecules.
Formation of Aqueous LIBr Solution
LIBr Dissolution: LIBr is an ionic compound that is solid at room temperature. When LIBr is dissolved in water, it dissociates into its constituent ions, Li+ and Br-.
Hydration Process:
The Li+ and Br- ions are hydrated by water molecules as they enter the solution. The hydration process involves the surrounding of each ion with water molecules. The water molecules orient themselves around the ion in a specific manner, with the partially positive hydrogen atoms pointing towards the anion and the partially negative oxygen atoms pointing towards the cation. This orientation is due to the partial charges present in the water molecule.
This process of dissolution and hydration allows for the formation of an aqueous LIBr solution, where the LIBr compound is completely dissolved and its ions are surrounded by water molecules.