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To investigate the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid
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GCSE Chemistry Coursework Investigation To investigate the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid Aim My aim is to create an experiment so that I can measure the difference in reaction rates when Sodium Thiosulphate and Hydrochloric Acid are heated. When Sodium Thiosulphate and Hydrochloric acid are mixed they react to form Sulphur. It is the Sulphur that makes the reaction cloudy and the experiment is to see how long it takes for this solution to become cloudy when heated at different temperatures. Factors Involved and Fair Testing This experiment will contain only one variable, the temperature. The constants are:- * The concentrations of the Sodium Thiosulphate and Hydrochloric Acid. Also the volumes need to be kept constant so to keep the investigation fair. * The apparatus used in the experiment needs to be kept exactly the same for each different temperature. If we use any apparatus that will need to be used in the next experiment...
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