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Investigate the effect of temperature on the rate of reaction of sodium thiosulphate and acid.
Member rating: No Rating | Words: | Submitted: Fri Dec 12 2003
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I will investigate the effect of temperature on the rate of reaction of sodium thiosulphate and acid. I will keep the acid and sodium thiosulphate concentration constant and vary the temperature. The maximum volume in total will be 60cm³ cubed. The rate of reaction will be found by finding the time for a cross drawn on a piece of paper with a pencil and placed under a conical flask to disappear from sight when looked at from above. It disappears because the sulphur formed is a solid and forms a cloud of fine particles through which you cannot see. Simple Plan: * Add 30ml of water to a measuring cylinder * Add 20ml of Sodium Thiosulphate to the same cylinder * Heat (or cool) the solution to one of the desired temperatures (shown below) * Add 10ml of acid to a separate cylinder * Add the acid to a conical flask placed above a piece of...
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