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Investigate how changing the concentration of Sodium Thiosulphate affects the rate of reaction with Hydrochloric Acid.
Member rating: No Rating | Words: | Submitted: Mon Nov 08 2004
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Aim: I am going to investigate how changing the concentration of Sodium Thiosulphate affects the rate of reaction with Hydrochloric Acid. I am going to time how many seconds/minutes it takes until you can no longer see the black cross on a piece of paper under the beaker. Each time I do the experiment, I will change the amount of thiosulphate and water in the reaction mixture. I want to find out if the concentrated thiosulphate makes the reaction go quicker. Background Information For a chemical reaction to take place, the particles have to collide with enough energy for something to change. There are five factors that will affect the rate of reaction that we need to take into consideration, these are: * Temperature - I will conduct all the tests at room temperature (hopefully on the same day) because temperature has an effect on the rate of the reaction. * Concentration - I will try...
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