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Find out if the rate of reaction varies with different amounts of concentration.
Member rating: No Rating | Words: | Submitted: Thu Feb 26 2004
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Investigating the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid Aim: Our aim is to find out the rate of reaction varies with different amounts of concentration. Hypothesis: As the concentration increases the rate of reaction will change. Scientific Knowledge: The reactants (Na S O and HCl) should collide for the reaction to happen. A higher concentration of Sodium Thiosulphate means more particles are present, this means more collisions will occur. Less concentration of Sodium Thiosulphate means fewer collisions will occur. There are factors, which could change the rate of reaction, these are: TEMPERATURE CONCENTRATION: This is the 1 factor that will be changed. SURFACE AREA PRESSURE CATALYST In the reaction I am investigating no catalysts and solid reactants are used, therefore surface area is not important in this experiment. No gaseous reactants so pressure is not involved. There are two reactants. I am keeping the Hydrochloric Acid constant and only changing the concentration of Sodium Thiosulphate. Prediction: I predict that as...
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