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An investigation into how the concentration of sodium thiosulphate solution affects the rate of its reaction with hydrochloric acid.
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Sam Miranda S5A An investigation into how the concentration of sodium thiosulphate solution affects the rate of its reaction with hydrochloric acid. Aim; The aim of this investigation is to see how the concentrations of reactants effect the rate at which a reaction occurs. The reaction between Sodium Thiosulphate and hydrochloric acid can be used to investigate how the concentration of reactants used can effect the rate at which a reaction occurs. When the two chemicals react, they form a yellow precipitate turning a transparent solution into an opaque one. By using a beaker with a marked piece of paper positioned underneath it we can react the two chemicals of different concentrations and time the duration of the reaction. The pattern (in this case a cross) will disappear after a specific quantity of Sulphur suspension has formed. A chemical reaction occurs when two-reactant particles collide with sufficient energy, facing each other in the correct direction....
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