Ammonia Soluble in Water Because
Ammonia is soluble in water because it can form hydrogen bonds with water, and ammonia and water molecules are polar molecules. According to the principle of similar miscibility, ammonia can dissolve in water. Nitrogen atoms in ammonia molecules have lone pairs of electrons, and hydrogen atoms in water molecules have empty orbits. The interaction between the two forms hydrogen bonds, which enhances the solubility of ammonia in water. Furthermore, ammonia and water can react to form ammonia monohydrate. This reaction prompts ammonia to continuously dissolve in water, making ammonia more soluble in water.

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