Hi, i'm working on lab report on iodometric determination of Cu
in Brass and can someone...
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Hi, i'm working on lab report on iodometric determination of Cuin Brass and can someone please explain in WORDSon how the analyte (copper) reaction with iodide works? thanks
2Cu2+ + excess I- → 2CuI(s) + I2
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In acid solution practically all oxidizing agents will oxidize iodide ion to iodine quantitatively The iodine formed in the reaction can then be titrated by means of a standard sodium thiosulfate solution This type of indirect titration is given the general name of iodometry 2Cu2 excess I 2CuIs I2 The amount of iodine liberated in the reaction between iodide ion and an oxidizing agent is a measure of the quantity of oxidizing agent originally present in the solution The amount of standard sodium
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