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Investigate the effects of concentration on rate of reaction.
Member rating: No Rating | Words: | Submitted: Mon Apr 05 2004
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To Investigate the effects of concentration on rate of reaction Aim: To investigate the effects of concentration on the rate of reaction between hydrochloric acid and sodium thiosulphate. Balanced Equation: Sodium thiosulphate + hydrochloric acid Sodium chloride + sulphur dioxide + sulphur + water Na2 S2 O3 + 2 HCl 2 NaCl + SO2 + S + H2 O Although water was added to the sodium thiosulphate in the experiment, it has not been included in the equations above because it was used as a catalyst and therefore, during the experiment, it was not used up. Prediction: I predict that as the concentration of the sodium thiosulphate increases, the rate of reaction will increase. This means that the graph drawn will have a positive correlation, and will probably be curved, as the increase in rate of reaction will not be exactly the same as the concentration is increased. The rate of...
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