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To investigate how concentration affects the rate of reaction between Sodium Thiosulphate and Hydrochloric acid.
Member rating: No Rating | Words: | Submitted: Thu Sep 04 2003
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Rates of reaction Aim: To investigate how concentration affects the rate of reaction between Sodium Thiosulphate and Hydrochloric acid. Introduction: I know that the equation for this reaction is: Na2S2O3+ 2HCl ›2NaCl + S + SO2 + H2O This shows me that one of the products in this reaction is Sulphur Dioxide. This means a precipitate will be formed therefore allowing me to time when the experiment is complete. During my experiment I will change the concentration of the Sodium Thiosulphate to allow me to see how concentration affects the rate of reaction. The collision theory states that the more particles (the higher the concentration) the faster the reaction. This is because there are more particles to collide in the reaction causing the change to happen faster. Hypothesis: I think that the higher the concentration of the sodium Thiosulphate the faster the reaction. This is based on the collision theory and my preliminary experiment. I found...
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