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Rates Investigation
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Rates Investigation Aim The aim of the investigation is to see how the concentration of Sodium Thiosulphate affects the rate of the reaction between Sodium Thiosulphate and Hydrochloric Acid. Reaction The word equation for the reaction is: The symbol equation for the reaction is: Na2S2O3 + 2HCL ->2NaCl + SO2 + S + H2O Method 1) Put a cross on a piece of paper and place the paper on a desk 2) Put 50cm³ of the chosen concentration of Sodium Thiosulphate into a conical flask 3) Add 5cm³ of Hydrochloric Acid 4) Time how long the cross takes to disappear 5) Repeat each experiment 3 times to obtain an average 6) Try different concentrations of Sodium Thiosulphate Background Knowledge A factor that affects the rate of the reaction that I am going to be measuring between Sodium Thiosulphate and Hydrochloric Acid is concentration. The concentration of the two liquids is going to determine...
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