The aim is to find the effect which the concentration of the acid has on the rate of the reaction between Hydrochloric acid and Thiosulphate
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5.4 Chemistry coursework plan Aim: The aim is to find the effect which the concentration of the acid has on the rate of the reaction between Hydrochloric acid and Thiosulphate Background Reactions work by a process called 'Collision Theory'. In a reaction the atoms of the two chemicals collide and bond together to form a new compound molecule. Sometimes however when the atoms collide they do not bond that particular time. The more of these successful collisions that take place, the faster the reaction is. There are several factors that can affect the rate of a reaction. These are: 1. Concentration: this will be the factor I will be exploring. If the concentration is increased then the reaction should be faster whereas if I lower the concentration the reaction will be slower. This is because at high concentrations there are more atoms that can collide and react. In low concentrations there are...

