Sodium thiosulphate is typically white in color, appearing as a crystalline powder or solid.
because sodium thiosulphate is unstable and iodine also so to maintain neutral medium we have to use sodiumcarboate
Sodium thiosulphate solution (5-25 %)
Starch
The boiling point of sodium thiosulphate is 100 degrees Celsius, the same as water.That would be 212 degrees Fahrenheit.
sodium chloride, sulphur, sulphur dioxide and water
Sodium thiosulfate is not conductive because it does not dissociate into ions in solution. It is a non-electrolyte.
The chemical symbol for sodium thiosulphate (hypo) is Na2S2O3•5H2O.
In iodometry sodium thiosulphate is used because it is standardized by potassium dichromate and it is the best and relaible way to standardized sodium thiosulphate using iodometric titration. Infact sodium thiosulphate is also standardized by iodimetry. The difference between both of them is only of iodine. In iodometry iodine gas is liberated that will further react with sodium thiosulphate but in iodimetry standard solution of iodine is used.
The chemical symbol for sodium thiosulphate (hypo) is Na2S2O3•5H2O. Hope that helps.
1.sodium benzoate
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