Hello Dear, Dissolved salt mean that the polarity of water molecules enables water todissolvemany ionically bonded substances.Salt(sodium chloride) is made from positive sodium ions bonded to negative chloride ions The substance beingdissolvedis called the solute, and the substance doing thedissolvingis called the solvent

Hello, dissolved salt means salt dissolved in compound like water because water is a compound and compound is a substance that is composed of two or more substance. Hope it helps.