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The effect of sodium thiosulphate concentration on its rate of reaction with hydrochloric acid.
Member rating: No Rating | Words: | Submitted: Wed Nov 12 2003
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Rajan Anand The Effect of Sodium Thiosulphate Concentration on its Rate of Reaction with Hydrochloric Acid Using the reaction between sodium thiosulphate and hydrochloric acid, I shall investigate how the rate of reaction is affected by the reactant concentration. When sodium thiosulphate and hydrochloric acid react it produces sulphur (s), sulphur dioxide (aq), sulphur chloride (aq) and water (l). Sodium thiosulphate + hydrochloric acid sulphur + sulphur dioxide + sodium chloride + water Na2S2O3 + 2HCL S + S02 + NACL + H20 As sulphur was produced in the above reaction the liquid goes cloudy. By placing this experiment over a black cross, I can work out the time taken for the cross to become obscured by the sulphur. This gives us an indication of the rate of reaction. During this experiment I hope to find out if the concentration of the sodium thiosulphate will either speed up or slow down. In this experiment I...
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