GCSE Science Coursework - Investigating the factors that affect the reaction between sodiumthiosulphate and hydrochloric acid

Investigating the factors that affect the reply between sodiumthiosulphate and hydrochloric pane strike: To investigate the differences in site of reaction between sodiumthiosulphate and hydrochloric acidulous as the concentration of sodiumthiosulphate is every raised or bring down while keeping the extreme intensiveness of the sodiumthiosulphate solution at 50cm . The chemical reaction for this essayation is: Method: I instigate with 5cm of hydrochloric acid to which I make up a vary concentration of sodiumthiosulphate. To change the STS (sodiumthiosulphate) concentration I impart append 10cm of water to a fresh flask of STS afterwards each(prenominal) experiment while each judgment of conviction reducing the volume of STS by the same amount. I will be metre the results by timing the reaction until the solution is too cloudy and modify with sodium for an image underneath the flask to be seen. I am allowing up to leash minuets for this reaction to take pl ace, after which time the concentration will simply be label as over three mins. employ this method my final results prick panel will read as follows: masses of Sodiumthiosulphate         Volume of Water          concentration of Solution (Molar)         Results - Time Taken 50cm         0cm         0.2m          40cm         10cm         0.16m          30cm         20cm         0.12m          20cm         30cm         0.08m          10cm         40cm         0.04m          Using a table as seen preceding(prenominal) allows me to make a graph displaying the correlation between the contrary values used in the experiment once I have filled in my results column. Materials: To conduct this experiment I will need: roughly 150cm of STS Approxi mately 25cm of acid and Approximately 100cm! of water These volumes of STS, water and acid will be enough for me to run one clutch bag of experiments, these amounts top executive need to be increased by up to three times to accurately carry discover the experiment. As hygienic as the liquids I will excessively need: Conical Flasks Measuring Cylinder Beakers Safety gape I expect that as the solution of STS becomes less voiceless the rate of reaction will slowdown and may elapse the time specialize for the experiment. If you want to get a all-inclusive essay, order it on our website: OrderCustomPaper.com

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