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Investigating the effect of concentration on the rate of reaction between Sodium thiosulphate and hydrochloric acid.
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Investigating the effect of concentration on the rate of reaction between Sodium thiosulphate and hydrochloric acid Introduction I am measuring the rate of reaction (how fast a reaction takes) of sodium thiosulphate and hydrochloric acid. There are different variables I could use to see the change in the rate of reaction. These include temperature, concentration or catalysts. I am going to do two experiments, one changing the temperature and one changing the concentration of the sodium thiosulphate. This experiment is about the effect of concentration on the rate of reaction. Hypothesis I presume that when the concentration of the Sodium thiosulphate is increased, the rate of reaction will be higher. This is because if there are more molecules, they are more likely to collide and react. However, the collision theory says that a very small percentage of these collisions results in a reaction. This is because of an energy barrier. Only those particles with...
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