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Factors which affect the rate of reaction between dilute hydrochloric acid and sodium thiopsulphate
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| Submitted: Thu Jul 11 2002
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KS4 GCSE Science Coursework I am going to investigate the factors, which affect the rate of reaction between dilute hydrochloric acid and sodium thiopsulphate. The factors that could affect the rate of reaction between dilute hydrochloric acid and sodium thiosulphate are: * Temperature * Concentration I am going to investigate concentration of the sodium thiosulphate solution, as temperature is a lot harder to control than concentration. I predict that the more concentrated the sodium thiosulphate is the quicker the reaction, and the more dilute the sodium thiosulphate is the slower the reaction this is based on the collision theory (below). The dilute hydrochloric acid solution will have the same volume (10ml) of dilute hydrochloric acid each time but the water will go up 2.5ml and the sodium thiosulphate solution will go down 2.5ml. The more water that goes into the solution the longer a fine deposit of sulphur (precipitate) takes to form. The formula is...
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