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The aim of this coursework is to investigate how the concentration of sodium thiosulphate can affect its rate of reaction with hydrochloric acid.
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Rates of Reaction Aim The aim of this coursework is to investigate how the concentration of sodium thiosulphate can affect its rate of reaction with hydrochloric acid. The reaction would be as follows: Sodium + Hydrochloric Sodium + Sulphur + Sulphur(s) + Water (aq) Thiosulphate (aq) Acid (aq) Chloride (g) Dioxide(g) Na2S2O3 + 2HCl(aq) 2NaCl(aq) + SO2(g) + S(s) + H2O(aq) This reaction usually produces a yellow precipitate, which is the solid sulphur and a putrid smell, which is the sodium chloride. Two main factors are needed in this reaction for it to succeed. The first, being that the reactant particles must meet and collide. If no collisions take place then the reaction cannot happen. Secondly the reaction must have enough energy to form a product. The activation energy is the most minimum amount of energy that is needed for a product to be formed. When the bonds are broken between the atoms,...
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