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Chemistry 12 Online
OpenStudy (anonymous):

how can i achieve 35 seconds for iodine clock reaction? I have the following to use: lemon 10ml 3% hydrogen peroxide 10ml 1% potassium iodide solution 5m 50mM ascorbic acid 5ml starch water and distilled water. If you can recommend other regents that will delay the reaction for 35 seconds will be great. I want it to go from colourless to colour

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