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How Concentration affects the rate of reaction.
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- Words:
- 4613
- Submitted:
- Mon Sep 29 2003
... How Concentration affects the rate of reaction I am investigating the rates of reaction and how the different variables can affect it. I know that the temperature, a catalyst, concentration, the surface area, light and pressure of a gas can affect the rate of reaction. In this particular experiment I am going to do investigate on how the concentration of one of the reactants affects the rate of reaction. To show that the concentration does affect the rate of reaction I am going to carry out the reaction of sodium thiosulphate and hydrochloric acid. The reactant I am going to change in concentration for each experiment/reading is sodium thiosulphate. Word Equation Sodium + Hydrochloric Sodium + Sulphur + water + Sulphur Thiosulphate acid Chloride dioxide Chemical Equation Na2S2O3(aq) + 2HCl(aq) -> 2NaCl(aq) + S(s) + H2O(l) + SO2(g) Equipment Sodium Thiosulphate (NaSO) of different concentrations and volumes 5cm³ Hydrochloric acid (HCl) Water of different volumes Paper marked with
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