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Investigate the effect of changing the concentration of sodium thiosulphate (Na S O ) and Hydrochloric acid (H Cl).
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Aim: To investigate the effect of changing the concentration of sodium thiosulphate (Na S O ) and Hydrochloric acid (H Cl). Back round knowledge: If the solution is made more concentration it means there are more particles of reactant knocking about between the water molecules. This makes collisions between the important if the particles are more likely to collide, then are more likely to react. Hence an increase in the concentration causes an increase in reaction rate. This will be the word equation for the experiment that I will be doing. HCl + Sodium Thiosulphate Sodium Chloride + Sulphur Dioxide + Sulphur + water. HCl(aq) + Na2S2O3(aq) NaCl(aq) + SO2(g) + S(s) + H2O(l) Variables: For this experiment I will be varying the attention of sodium thiosulphate and keeping the hydrochloric acid constant all the way through the experiment. I am going to keep other variables constant, such as: * The temperature. If the temperature will increase and...
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