Procedure 1: Detection of Oxidizing and Reducing Anions  (Carbonate solution or original unknown solution) 2. In a test tube mix 1 drop of 0.1MFeCl3 ,1 drop of freshly prepared 0.1 M K3[Fe(CN)6], and 2 drops of 6M HC1. Dilute this reagent mixture to 0.5 ml. Add 1 drop of unknown solution. What color change indicates the presence of reducing anions? ____________

Q: Show work, thank you!

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A: Concentration of Br2 = 0.10M Ksp of CuBr = 5 × 10-9

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