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An Investigation to find out how the rate of reaction between sodium thiosulphate and hydrochloric acid is affected by changing the concentration.
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An Investigation to find out how the rate of reaction between sodium thiosulphate and hydrochloric acid is affected by changing the concentration. Introduction In this experiment I am going to find out how the rate of reaction between sodium thiosulphate and hydrochloric acid is affected by changing the concentration. The things that affect the rate of reaction are as follows: · Surface area of the reactants · Concentration of the reactants · The temperature at which the reaction is carried out · Light · Use of a catalyst Method At the start of the experiment we drew a black cross on a white piece of paper. We then put 5 ml of hydrochloric acid in a conical flask (measuring the HCL acid with a syringe, for accuracy) and then put the conical flask on the black cross on the paper. We then added 50 ml of sodium thiosulphate to the hydrochloric acid, and at this time we did...
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