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Redox Titration Problem 1 What is the concentration of the chromium (1) ions in a solution obtained from the analysis of a stainless steel fork? (0.0254 mol/L) Experimental Design A 0.0114 mol/L potassium permanganate solution is titrated to oxidize 25.0 mL of chromium (II) ions to chromium (III) ions in an acidic solution. Evidence Volumes of Potassium Permanganate Solution Required Trial 1 2 3 Final Buret Reading (mL). 14.2 25.4 36.5 Initial Buret Reading (mL) 2.7 14.2 25.4 4 47.6 36.5 Analysis Problem 2 What is the concentration of the nickel (II) ions in a solution obtained in the analysis of nichrome wire? (0.0644 mol/L) Experimental Design A 0.0105 mol/L potassium permanganate solution is titrated to oxidize 10.0 mL of nickel(II) ions to nickel (III) ions in an acidic solution. Evidence Volumes of Potassium Permanganate Solution Required Trial 1 2 3 Final Buret Reading (mL). 15.8 28.1 40.4 Initial Buret Reading (mL) 2.7 15.8 28.1 4 42.9 30.7 Analysis