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To investigate how the rate of a reaction is affected by the surface area of the solid, the temperature or the concentration of the solution.
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The Rate of a Reaction Aim: to investigate how the rate of a reaction is affected by the surface area of the solid, the temperature or the concentration of the solution. The experiment I am choosing is to investigate how the concentration affects the rate of a reaction. The other reactions I don't feel are accurate enough. The surface area one will be less accurate because the surface area of a solid powder can't be measured. The temperature experiment might take longer to do so I won't have emough sets of results to look. This reaction is a simple experiment; it involves adding 5cm3 of 2 m hydrochloric acid, the decided amounts of sodium thiosulphate and water. The concentration of the sodium thiosulphate is the variable and is changed. I then will mix the liquids and time how long, in my opinion it will take to go opaque. The equation for...
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