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Find out how the concentration of the reactants affects the rate of reaction between hydrochloric acid and sodium thiosulpahte.
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Ketan Patel 11F6 Science Coursework Mr Murphy Set 2 Investigating the Rate of Reaction between Sodium Thiosulphate and Hydrochloric Acid PLANNING Aim My aim is to find out how the concentration of the reactants affects the rate of reaction between hydrochloric acid and sodium thiosulpahte. Apparatus * Two measuring cylinders (25mls) * One small measuring cylinder (10mls) * One flask * Two small beakers (100mls) * One felt tip marker pen * One sheet of paper * One stop clock * Hydrochloric acid * Sodium thiosulphate * Supply of water Diagram Prediction I predict that when the volume of hydrochloric acid is decreased and water replaces the volume of hydrochloric acid that has been taken away the reaction rate will be slower. I predict the reaction rate will be slower because of my experience to when I have drank a drink which hasn't been diluted and when I have drank a drink that has been diluted with water. When you purchase a bottle of Vimto when you pour the drink...
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