Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
To Investigate the Factors Controlling the Rate of the Sodium Thiosulphate with Hydrochloric Acid Reaction
Member rating: No Rating | Words: | Submitted: Sun Dec 15 2002
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
To Investigate the Factors Controlling the Rate of the Sodium Thiosulphate with Hydrochloric Acid Reaction The Reaction: Na2S2O3 + 2HCl ? 2NaCl + SO2 + H2O + S This is easy to follow by observing the cloudiness produced by the sulphur. We will place the conical flask we are using over a printed black cross. When it is no longer possible to see the cross, the reaction is complete. Factors * Concentration of sodium thiosulphate * Concentration of hydrochloric acid * Temperature There is no catalyst in this reaction and surface area is not relevant as sodium thiosulphate and hydrochloric acid are miscible. Variable 1: Concentration of Sodium Thiosulphate I shall investigate the effect of changing the concentration of sodium thiosulphate. I shall keep the temperature constant (room temperature) and I shall use the same concentration of acid in each test. The reason we shall use room temperature is that it is the easiest temperature to regulate. I expect that increasing...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 149,958 others
