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What is hydration spheres formed by polar water molecules?
Hydration spheres are formed when polar water molecules surround and solvate ions or polar molecules. This creates a shell of water molecules around the solute, stabilizing it by maximizing interactions between water molecules and the solute. This process helps ions dissolve in water and is crucial for many biological and chemical processes.
What types of substances dissolve in water?
Substances that dissolve in water are typically polar molecules or ionic compounds. Polar molecules have a positive and negative end, allowing them to interact with water molecules through hydrogen bonding. Ionic compounds dissociate into ions in water due to their charges being attracted to the polar water molecules.
Is normal saline polar?
Yes, normal saline (0.9% NaCl solution) is a polar substance because it is composed of water molecules and ions (Na+ and Cl-) that have uneven distribution of charge across their structure, making them polar molecules overall.
What property of water allows bicarbonate NaHCO3 to dissolve into solution?
The polar nature of water molecules allows for the dissolution of NaHCO3. Water molecules are able to surround and separate the individual Na+ and HCO3- ions, facilitating their dispersal throughout the solution. This process is driven by the attraction between the polar water molecules and the charged ions in NaHCO3.
When NaCI dissolves in water does it give ions or molecules or both?
When NaCl dissolves in water, it dissociates into its constituent ions, sodium (Na+) and chloride (Cl-) ions. This process forms a solution of ions in water rather than individual NaCl molecules.
