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An investigation into the effect of changing the concentration of the sodium thiosulphate solution on the rate of reaction between sodium thiosulphate and hydrochloric acid.
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An investigation into the effect of changing the concentration of the sodium thiosulphate solution on the rate of reaction between sodium thiosulphate and hydrochloric acid. PLAN * Introduction I am going to investigate the effect of concentration on the rate of reaction in an experiment between hydrochloric acid and sodium thiosulphate. The rate of reaction is a measure of how fast a reaction takes place. The rate of reaction can be found using the equation: Rate = measurable change ? time taken for that change. The speed of the reaction can be measured in three ways: 1. Precipitation - when the product of the reaction is a precipitate which clouds the solution. 2. Change in mass (usually a gas given off) - a reaction that produces a gas and a difference in mass can be measured. 3. The volume of gas given off - a gas syringe is used to measure the volume of gas given off. I am...
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