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Investigating the Effect of the Concentration on the Rate of the Reaction between Sodium Thiosulphate and Hydrochloric Acid.
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Jemal Koscan Chemistry Coursework Investigating the Effect of the Concentration on the Rate of the Reaction between Sodium Thiosulphate and Hydrochloric Acid. Prediction I predict that the higher the concentration the faster the rate will be and the lower the concentration the slower the rate will be. This is because the higher the concentration, the greater the number of Sodium Thiosulphate molecules there are. Therefore, the frequency of the collisions between the mixture will increase. I predict that if the concentration is increased by two, then the rate will increase also increase by two. This will take place because the rate and the concentration are related, i.e if one changes then so will the other. Method Firstly, we plan to prepare all the equipment needed to carry out the experiment. We plan to pour out 10ml of Hydrochloric Acid into a small measuring cylinder, as this will stay the same throughout the experiment. Then pour...
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