6. Problem: What is the amount concentration of chromium (II) ions in a solution obtained in the analysis of a stainless steel alloy? Evidence: Titration of 10.00 mL of acidic Cr²+ (aq) with 0.125 mol/L K₂Cr₂O7 Trial Final burette 1 17.5 reading (mL) Initial burette reading (mL) (Answer: 1.31 mol/L Cr²+) 0.1 2 34.9 17.5 3 18.9 1.5 4 40.2 25.3 O

6. Problem: What is the amount concentration of chromium (II) ions in a solution obtained in the analysis of a stainless steel alloy? Evidence: Titration of 10.00 mL of acidic Cr²+ (aq) with 0.125 mol/L K₂Cr₂O7 Trial Final burette 1 17.5 reading (mL) Initial burette reading (mL) (Answer: 1.31 mol/L Cr²+) 0.1 2 34.9 17.5 3 18.9 1.5 4 40.2 25.3 O

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.26QAP

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