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| Name | Sodium Thiosulfate |
| Molecular Formula | Na2S2O3.5H2O |
| Molar Mass | 248.18 g/mol |
| Molarity | 0.1 mol/L |
| Amount To Prepare 1L Of 0.1N Solution | 24.818g |
| Appearance | White crystalline solid |
| Solubility | Soluble in water |
| Density | 1.67 g/cm3 |
| Melting Point | 48.3°C |
| Boiling Point | 100°C (decomposes) |
| Uses | Photography, medical treatments, water treatment |
| Hazards | May cause skin and eye irritation, harmful if ingested |
FAQ
What is sodium thiosulfate and how is it used in chemistry?
Sodium thiosulfate is a chemical compound with the formula Na2S2O3. It is commonly used as a fixing agent in photography, a dechlorinating agent in water treatment, and as a reducing agent in various chemical reactions.
How can sodium thiosulfate be prepared to make a 0.1N solution?
To prepare a 0.1N solution of sodium thiosulfate, you will need 24.818g of Na2S2O3.5H2O (sodium thiosulfate pentahydrate) to dissolve in 1 liter of water.
What are the steps to prepare a 0.1N solution of sodium thiosulfate?
To prepare a 0.1N solution of sodium thiosulfate, first weigh out 24.818g of Na2S2O3.5H2O. Then, dissolve the compound in 1 liter of water. Make sure to stir the solution well to ensure that the compound is fully dissolved.
Why is it important to accurately prepare a 0.1N solution of sodium thiosulfate?
Accurately preparing a 0.1N solution of sodium thiosulfate is important because the concentration of the solution will affect the outcome of any chemical reactions it is involved in. Using an incorrect concentration could result in inaccurate results and potentially lead to experimental errors.
Can sodium thiosulfate be used in any other applications besides chemical reactions?
Yes, sodium thiosulfate has various applications outside of chemical reactions. It is commonly used in the medical field as an antidote for cyanide poisoning and as a treatment for certain medical conditions. Additionally, it is used in the food industry as a preservative and as a dechlorinating agent in water treatment plants.
Sodium thiosulfate is a chemical compound with the formula Na2S2O3. It is commonly used as a fixing agent in photography, a dechlorinating agent in water treatment, and as a reducing agent in various chemical reactions.
How can sodium thiosulfate be prepared to make a 0.1N solution?
To prepare a 0.1N solution of sodium thiosulfate, you will need 24.818g of Na2S2O3.5H2O (sodium thiosulfate pentahydrate) to dissolve in 1 liter of water.
What are the steps to prepare a 0.1N solution of sodium thiosulfate?
To prepare a 0.1N solution of sodium thiosulfate, first weigh out 24.818g of Na2S2O3.5H2O. Then, dissolve the compound in 1 liter of water. Make sure to stir the solution well to ensure that the compound is fully dissolved.
Why is it important to accurately prepare a 0.1N solution of sodium thiosulfate?
Accurately preparing a 0.1N solution of sodium thiosulfate is important because the concentration of the solution will affect the outcome of any chemical reactions it is involved in. Using an incorrect concentration could result in inaccurate results and potentially lead to experimental errors.
Can sodium thiosulfate be used in any other applications besides chemical reactions?
Yes, sodium thiosulfate has various applications outside of chemical reactions. It is commonly used in the medical field as an antidote for cyanide poisoning and as a treatment for certain medical conditions. Additionally, it is used in the food industry as a preservative and as a dechlorinating agent in water treatment plants.
