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The aim of this investigation is to find out how the rate of reaction depends on the heat of the sodium thiosulphate solution an d the heat of the hydrochloric acid.
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Rate of reaction coursework Timothy Dry 10R Teacher: Mr. Steele Plan When you add hydrochloric acid to a solution of sodium thiosulphate, a reaction takes place where sulphur is precipitated and the mixture becomes more opaque. The Equation 2HCl (aq) + Na2S2O3 (aq) 2NaCl (aq) + SO2 (l) + S (s) The Aim The aim of this investigation is to find out how the rate of reaction depends on the heat of the sodium thiosulphate solution an d the heat of the hydrochloric acid. The Investigation Generally, the rate of any reaction depends on of the following factors- i) The temperature of the solution ii) The concentration of the acid iii) The presence of a catalyst iv) The concentration of the sodium thiosulphate The temperature of the solution is the factor that is going to be investigated. The concentration will always be 2M because we found out that from our preliminary experiments that 2M. There will not be a catalyst to speed...
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