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To determine what affects the rate at which a reaction occurs between Hydrochloric acid and Sodium thiosulphate.
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| Submitted: Thu Jul 11 2002
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Introduction: The aim of this experiment is to determine what affects the rate at which a reaction occurs between Hydrochloric acid and Sodium thiosulphate. The reaction forms sulphur which is in the form of small solid particles which do not settle: they remain in suspension. I intend to find out whether varying the concentration has any effect on the rate of reaction between these chemicals. I believe that the concentration of Sodium thiosulphate has a direct affect on the rate at which the reaction occurs. Diagram of apparatus: Also, goggles will be worn. Procedure: * A cross will be marked on a little piece of paper. * I will dilute the Sodium thiosulphate by way of ratios. I will be measuring 50 cm of solution each time, with a measuring cylinder, but I will vary the volume of Sodium thiosulphate compared to the volume of water (from the tap) diluting it, making different concentrations of Sodium...
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