Seawater is a lot more complex than a simple solution of water and sodium chloride.
Extract the sodium chloride from the other minerals to make salt water.
There was no distinctive facial expression for sodium chloride.
Chloride is found in table salt or sea salt as sodium chloride.
Common salt is sodium chloride, the compound principally under indictment.
British Dictionary definitions for sodium chloride
common table salt; a soluble colourless crystalline compound occurring naturally as halite and in sea water: widely used as a seasoning and preservative for food and in the manufacture of chemicals, glass, and soap. Formula: NaCl Also called salt