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Investigate the effect of temperature on the rate of reaction of sodium thiosulphate with hydrochloric acid.
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Chemistry coursework Decomposition of sodium thiosulphate Aim: To investigate the effect of temperature on the rate of reaction of sodium thiosulphate with hydrochloric acid Prediction: I predict that when the temperature is increased, the rate of reaction will increase. This is because as the temperature Is increased the particles move around more and collide causing a reaction. Method: 1. 50ml of sodium thiosulphate solution was poured into a beaker. 2. 5ml of dilute hydrochloric acid was also poured into a separate beaker. 3. Both beakers were heated in a water bath set at 10°C 4. The two beakers were taken out of the water bath and immediately mixed in a chronicle flask with a black cross visible underneath. 5. The stop clock was started and it was timed how long it took until the cross 'disappeared'. 6. The experiment was repeated three times at different temperatures. Range of readings: I am going to take readings at...
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