ggL_03 Posted October 6, 2021 Share Posted October 6, 2021 I was given distilled water, starch solution, sodium thiosulphate, potassium iodide solution and potassium persulfate solution to perform the clock reaction as attached. I want the mixed solution turning into blue black solution after 14 seconds. Therefore, exactly how much concentration of sodium thiosulphate to complete the reaction in 14 seconds???? I don't know where to start and what formula to use. Link to comment Share on other sites More sharing options...
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