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How does Concentration Affect the Rate of Reaction.
Member rating: No Rating | Words: | Submitted: Fri Oct 24 2003
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How does Concentration Affect the Rate of Reaction Aim: I aim to find out how concentration of a chemical affects its time of reaction. This experiment will be carried out simply by mixing Hydrochloric acid and different concentrations of Sodium Thiosulphate in a conical flask and watching it react by going cloudy and so the cross, which we will place underneath the flask is no longer visible. It becomes cloudy because the sulphur particles precipitate and come out of the solution. The equation for this reaction is: Na2S2O3 + 2HCL -> 2NaCL + H2O + SO2 + S Concentration is the amount of the solute dissolved in a given quantity of a solution. In my case both Hydrochloric acid and Sodium Thiosulphate are dissolved in water, which makes them easy to change the concentration. As I will be using both but only changing the concentration of one, I will change the concentration...
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