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Find out whether increasing the amount of sodium thiosulphate would increase the rate of reaction.  

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Introduction In this experiment we will try to find out whether increasing the amount of sodium thiosulphate would increase the rate of reaction. Theory It is known that the more sodium thiosulphate there is in the flask the quicker the reaction will be. This is because there are there are more molecules in the container and so there are more collisions in the molecules. (See diagram below for further explanation) = Hydrochloric acid (stays the same) = Sodium thiosulphate (doubles from flask A to flask B) As you can see there are more particles in flask B and so therefore there are more collisions than in flask A which means that he reaction is quicker in flask B than in A. Also the number of collisions doubles per unit time and the number of collisions per unit time is proportional to the rate of reaction. Prediction I predict that the more...

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