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2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2*, and the solution is titrated with 36.30 mL of 0.01753 M K2Cr,O, solution. Calculate the percentage of iron (MM=55.85 g/mol) in the sample + Cr,0,2- +' 14H* titrānt Rxn: 6 Fe 2+ analyte 2Cr 3* + 6 Fe 3+ + 7 H20

2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2*, and the solution is titrated with 36.30 mL of 0.01753 M K2Cr,O, solution. Calculate the percentage of iron (MM=55.85 g/mol) in the sample + Cr,0,2- +' 14H* titrānt Rxn: 6 Fe 2+ analyte 2Cr 3* + 6 Fe 3+ + 7 H20

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2+, and the solution is titrated with 36.30 mL of 0.01753 M K,Cr,O, solution. Calculate the percentage of iron (MM=55.85 g/mol) in the sample Rxn: 6 Fe 2* + Cr,072- + 14H* → 2Cr 3* + 6 Fe 3* + 7 H20 analyte titrant
Transcribed Image Text:2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2+, and the solution is titrated with 36.30 mL of 0.01753 M K,Cr,O, solution. Calculate the percentage of iron (MM=55.85 g/mol) in the sample Rxn: 6 Fe 2* + Cr,072- + 14H* → 2Cr 3* + 6 Fe 3* + 7 H20 analyte titrant
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