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To investigate the effect of Concentration on the rate when mixing Dilute Hydrochloric Acid and Sodium Thiosulphate Solution.  

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To investigate the effect of Concentration on the rate when mixing Dilute Hydrochloric Acid and Sodium Thiosulphate Solution. PLANNING For my chemistry SC1, I am going to investigate concentration and how it affects the rate when mixing Sodium Thiosulphate and Hydrochloric Acid. The equation for the experiment is the following: Na2S2O3 (aq) + 2HCl (aq) 2NaCl (aq) + SO2 (G) + H2O (l) + S (s) BACKGROUND INFORMATION Before I am going to undertake this investigation I have carried out preliminary work and other investigations so I can bring out the best results in my SC1. Firstly I investigated into how temperature affects the rate when mixing Dilute Hydrochloric Acid and Sodium Thiosulphate Solution. The results obtained showed that the greater the temperature the quicker the rate is. Using the results from the experiment I can comment on the variable. The variable of temperature shows that during SC1 I am going to need to keep...

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