Even though the ores of both the metals is quite cheap, Sodium has to be extracted through electrolysis which is quite an expensive process where as Iron is extracted from Blast furnace which is comparatively cheaper to run.
sodium chlorateNaClO3 = Sodium Chlorate
Sodium metal is pure sodium and is made of sodium atoms.
Sodium thiosulfate or Sodium Hyposulphite.
The name of the compound represented by the formula NaI is sodium iodide.
Sodium chloride is not expensive.
I am sodium because I am a metal and metals are heavy and i am also very expensive.
Century eggs are the most expensive eggs you can buy, although they are fairly easy to prepare. Century eggs are soaked in a solution of sodium chloride and sodium hydroxyde in order to preserve them.
A.molecule ... crystal no I am Sorry
Even though the ores of both the metals is quite cheap, Sodium has to be extracted through electrolysis which is quite an expensive process where as Iron is extracted from Blast furnace which is comparatively cheaper to run.
The price is higher for the calcium chloride.
Price differences doesn't depends on the season.
Sodium chloride is generally not reusable. Recycling is not impossible in some cases but it is expensive.
Using Downs process, by the electrolysis of molten sodium chloride. This is done in a Downs Cell in which the NaCl is mixed with calcium chloride to lower the melting point below 700 °C. As calcium is less electropositive than sodium, no calcium will be deposited at the cathode. This method is less expensive than the previous Castner process of electrolyzing sodium hydroxide.
We can use sodium, calcium and potassium chlorides; NaCl is the cheapest, calcium chloride is the most efficient but is more expensive.
Sodium citrate is a food additive. It is commonly used in drinks to regulate acidity - and as an emulsifier in cheese manufacture. You should be able to order it from any chemical manufacturer. However - it could be expensive if you only need a small quantity (lesss than a kilo for example).
Salt is formed from sodium and chlorine. At this point one would normally expect to see, "reacting sodium metal with chlorine will produce salt" or "reacting sodium hydroxide and hydrochloric acid then boiling off the water will produce salt." While true both are pointless. Any reaction that will produce salt is very expensive and very dangerous, and salt from natural sources is extremely cheap - any supermarket has it for less than $1 per pound. If you need salt, it's safer and less expensive to buy it than to make it.