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An Investigation into the Factors which Influence the Rate of a Chemical Reaction.
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An Investigation into the Factors which Influence the Rate of a Chemical Reaction Aim The aim of this experiment is to find out what affects the rate at which a reaction occurs between sodium thiosulphate and hydrochloric acid. I want to find out whether and to what degree varying the concentration of sodium thiosulphate has any effect on the rate of reaction. Prediction I predict that the greater the concentration of Sodium Thiosulphate solution the faster the chemical reaction will take place. I think the concentration of a solution affects the rate of reaction because: 'The rate of reaction depends on how frequently the molecules of the reacting substances collide. A more concentrated substance has more molecules with a set volume than one which is more dilute one. This means because there are more molecules about, the frequency of collisions is greater and the reactions happen faster.' Method To find out what effect the concentration has...
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