Example 1A sample containing iron is titrated with a 0.025 M potassium dichromate, K₂Cr₂O7, solution after reducingwith H₂PO4/H₂SO4. The titration required 26.74 mL of K₂Cr₂O7 for 1.45 g of the sample. What is the percentiron in the sample? The balanced half-reaction is shown below.

Given that - Molarity of potassium dichromate = 0.025 M Volume of K2Cr2O7 = 26.74 mL Mass of…

Example 1 A sample containing iron is titrated with a 0.025 M potassium dichromate, K₂Cr₂O7, solution after reducing with H3PO4/H₂SO4. The titration required 26.74 mL of K₂Cr₂O7 for 1.45 g of the sample. What is the percent iron in the sample? The balanced half-reaction is shown below.

Example 1 A sample containing iron is titrated with a 0.025 M potassium dichromate, K₂Cr₂O7, solution after reducing with H3PO4/H₂SO4. The titration required 26.74 mL of K₂Cr₂O7 for 1.45 g of the sample. What is the percent iron in the sample? The balanced half-reaction is shown below.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter19: Applications Of Standard Electrode Potentials

Section: Chapter Questions

Problem 19.7QAP

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Example 1
A sample containing iron is titrated with a 0.025 M potassium dichromate, K₂Cr₂O7, solution after reducing
with H₂PO4/H₂SO4. The titration required 26.74 mL of K₂Cr₂O7 for 1.45 g of the sample. What is the percent
iron in the sample? The balanced half-reaction is shown below.

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