What is the formula for Na2S2O3?

Na2S2O3Sodium thiosulfate / Formula

How do you prepare 0.01 N Na2S2O3?

Dissolve 24.8g of sodium thiosulphate pentahydrate(Na2S2O3. 5H2O) in 800 ml of freshly boiled and cooled water and mix thoroughly by shaking for approximately 15 minutes.

What happens when sodium thiosulphate reacts with Sulphuric acid?

Na2S2O3 + H2SO4 ā†’ Na2SO4 + SO2 + Sā†“ + H2O. Sodium thiosulfate react with sulfuric acid to produce sodium sulfate, carbon dioxide, sulfur and water.

What is the use of sodium thiosulfate?

Sodium thiosulfate, also spelled sodium thiosulphate, is used as a medication to treat cyanide poisoning, pityriasis versicolor, and to decrease side effects from cisplatin. For cyanide poisoning it is often used after the medication sodium nitrite and typically only recommended for severe cases.

How do you prepare 0.005 N sodium thiosulphate?

0.005 N-Sodium Thiosulfate Solution5: Dissolve 1.24 g Na2S2O3. 5H2O (FW= 248) in one liter of distilled water and store in a cool dry place. Solution is stable for 1 month. This amount is sufficient for about 200 samples.

What type of chemical reaction occurs between sodium thiosulphate and hydrochloric acid?

Sodium thiosulfate solution is a body tissue irritant. The reaction of sodium thiosulfate and hydrochloric acid generates sulfur dioxide gas, which is a skin and eye irritant.

What is the yellow precipitate formed when sodium thiosulphate reacts with Sulphuric acid?

Sulphur dioxide
Sulphur dioxide is a soluble gas and dissolves completely in aqueous solution. The sulphur formed however is insoluble and exist in the mixture as a white or pale yellow precipitate or a colloid that gives a milky appearance and makes the solution opaque.

What happens when sodium thiosulphate is added to water?

The sodium thiosulfate needs energy to dissolve, so it takes heat from its surroundings, in this case the warm water. The heat is absorbed into the sodium thiosulfate and the water is now cold.