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Sodium chloride / ˌ s oʊ d i ə m ˈ k l ɔːr aɪ d /, [8] commonly known as edible salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chlorine ions. It is transparent or translucent, brittle, hygroscopic , and occurs as the mineral halite .
nickel(II) chloride hexahydrate NiCl 2 ·6H 2 O is made green by the hydrated nickel(II) chloride [NiCl 2 (H 2 O) 4]. sodium chloride NaCl and magnesium sulfate heptahydrate MgSO 4 ·7H 2 O are colorless or white because the constituent cations and anions do not absorb light in the part of the spectrum that is visible to humans.
Properties of water–NaCl mixtures [3]; NaCl, wt% T eq, °C ρ, g/cm 3 n η, mPa·s 0: 0: 0.99984: 1.333: 1.002 0.5: −0.3: 1.0018: 1.3339: 1.011 1: −0.59: 1.0053 ...
Sodium chloride and water form a eutectic mixture whose eutectic point is −21.2 °C [8] and 23.3% salt by mass. [9] The eutectic nature of salt and water is exploited when salt is spread on roads to aid snow removal, or mixed with ice to produce low temperatures (for example, in traditional ice cream making).
From cold solutions, salt crystallises as the dihydrate NaCl·2H 2 O. Solutions of sodium chloride have very different properties from those of pure water; the freezing point is −21.12 °C (−6.02 °F) for 23.31 wt% of salt, and the boiling point of saturated salt solution is around 108.7 °C (227.7 °F).
Saline (also known as saline solution) is a mixture of sodium chloride (salt) and water. [1] It has a number of uses in medicine including cleaning wounds, removal and storage of contact lenses, and help with dry eyes. [2] By injection into a vein, it is used to treat hypovolemia such as that from gastroenteritis and diabetic ketoacidosis.
The first solvation shell of a sodium ion dissolved in water. An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula. For example, a solution of table salt, also known as sodium chloride (NaCl), in water would be represented as Na + (aq) + Cl ...
Cyanide and chloride salt mixtures are used for surface modification of alloys such as carburizing and nitrocarburizing of steel. Cryolite (a fluoride salt) is used as a solvent for aluminium oxide in the production of aluminium in the Hall-Héroult process. Fluoride, chloride, and hydroxide salts can be used as solvents in pyroprocessing of ...