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Rates of Reaction Coursework
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| Submitted: Sun Dec 15 2002
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Rates of Reaction Coursework Prediction (Na2 S2 O3 + 2HCL ---> 2NaCl + SO2 + S + H2O) This is the equation for Sodium Thiosulphate reacting with 2 Molar of Hydrochloric Acid. There are a number of variables in the experiment which must be controlled in order for the experiment to be a fair test. These include temperature, which must be kept constant throughout the experiment or the results would not match. The experiment will be performed at room temperature (Around 25 degrees). Another variable is volume of Hydrochloric acid, which must be kept the same as well. For this experiment, I will be using 5cm of HCL. If all of these variables are controlled, then the experiment will be a fair test. However, there will be a degree of human error because there is no definate point at which the cross disappears, it relies on human judgement. My prediction is that as...
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