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The Effect of Concentration on the Reaction between Sodium Thiosulphate and Hydrochloric Acid.
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The Effect of Concentration on the Reaction between Sodium Thiosulphate and Hydrochloric Acid. We are given 2md/dm³ of Hydrochloric Acid = 10cm³. We are also given the measurement of Sodium Thiosulphate solution: 40g/dm³ = 50cm³ The chemical equation for this reaction is: 2Hcl + Na²S²O² 2NaCl + H²O + SO² + S I am going to investigate the effect of concentration in this reaction. To do this I will change the volume of 0.1 mol/dm³ of sodium Thiosulphate. We will keep the amount of Hcl the same, because if we altar that one it will totally change the results and there would be no pattern. We learned that if the concentration doubles, the rate doubles. I will therefore choose the dilute sodium Thiosulphate to prove this and to see if it affects the rate of the reaction. Besides concentration I know that catalysts, temperature and surface area also affect the rate of the reaction....
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