The chemical composition remain unchanged.
it turns to a solvent
Salt is a single compound, but granite contains different compounds. Salt has a single crystal, but a slab of granite contains more than one crystal. Salt contains different compounds, but granite contains different elements. Salt can be dissolved in water, but granite can not be dissolved.
Water is the solvent because it is what dissolves the solid salt into the solution. The water molecules pull apart the crystal structure of salt and surround the salt ions.
A salt dissolved in water creates ion-dipole intermolecular bonds which interfere both with the formation of crystal lattices (which must happen for the water to freeze) and the breakdown of intermolecular bonds (which must happen for the water to vaporize). Adding salt to water will lower the freezing point of the water - this is why putting salt on snow-covered roads breaks up the snow and ice.
Fresh water will freeze faster than salt water, and at a higher temperature too. Why?Salt water is called salt water due to its containing dissolved salts -- usually Sodium Chloride (NaCl), but any other salts will do. When water freezes, the molecules link up into a crystal structure (ice). The atoms of any dissolved salts will interfere with the formation of the crystal, meaning more energy will have to be taken out (the temperature will have to drop lower) before salt water freezes.
Students will make a 2-D model of a salt crystal and use water molecule cut-outs to show how water dissolves salt. After seeing an animation of water dissolving.
salt when dissolved in water will become an acidic solution
Salt dissolved in water has no appearance. Take a glass of water, sprinkle a little salt in it, stir. Salt disappears when dissolved.
When salt is dissolved a water sodium chloride solution is obtained.
The separated salt is a crystalline solid; the dissolved salt is dissociated in ions.
The salt is the solute and the water is the solvent. Water is the solvent because it is what dissolves the solid salt into the solution. The water molecules pull apart the crystal structure of salt and surround the salt ions.
Salt