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Chemistry SC1 Investigation: How does the temperature affect the rate of reaction between sodium thiosulphate and hydrochloric acid?
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Chemistry SC1 Investigation: How does the temperature affect the rate of reaction between sodium thiosulphate and hydrochloric acid? Skill P - Planning: Background: Sodium Thiosulphate is white solid with the chemical formula Na2S2O3. It can be made by reacting sulphur dioxide with sulphur in boiling sodium hydroxide solution. S + SO2 + 2NaOH › Na2S2O3 + H2O Hydrochloric acid is a colourless, corrosive, non-flammable liquid. Its formula is HCl. Factors that could affect the rate of reaction between sodium thiosulphate and hydrochloric acid: * The concentration of the hydrochloric acid. If the acid has a high concentration e.g. 5moles/litre, it will react quicker than a less concentrated, more dilute acid. * The concentration of the sodium thiosulphate will also affect the rate of reaction in the same way. * The temperature of the sodium thiosulphate, thus the temperature the reaction will take place at, will affect the rate of the reaction. At lower temperatures, the reaction will take...
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