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IODINE-THIOSULFATE ION (2 of 3)
Adding Sodium Thiosulfate
As Na2S2O3(aq) is added it begins to reduce the iodine to I- and starts the break-up of the starch-iodine complex. Solution remains blue until all the iodine is reduced.
Copyright:© 1995 Richard Megna - Fundamental Photographs
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