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An investigation into how the concentration of a substance effects the reaction time  

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An investigation into how the concentration of a substance effects the reaction time Introduction In this experiment I am trying to find what difference concentration makes to reaction times. I am using the two chemicals Sodium Thiosulphate and Hydrochloric Acid. I will dilute the substance with water to test what difference the concentration makes to the experiment. Aim To find out the difference that the concentration makes to the reaction time. I will carry out 2 experiments the same way making sure that I use the same measurements in each one. But the two experiments cannot be carried out exactly the same due to human error. Prediction I predict that if there are more units of the solution and less units of water, that the reaction will take place much quicker. But if more units of water are exchanged for units of the solution the reaction will slow down. The more water that the solution...

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