1) Samples containing iron(II) ion can be titrated with solutions ion under acidic conditions. Cr₂O72- +6Fe2+ + 14H+ → 2Cr³+ + 6Fe³+ + 7H₂O (a) Which ion is oxidized in this reaction? (b) Which ion is the reducing agent in this reaction? (c) If a 1.916 g sample containing iron(II) sulfate is dissolved and requires 34.1 mL of 0.0100 M K₂Cr2O7 solution to titrate it, what is the percent iron(II) sulfate in the sample? Iran (I) Surfte 1-9169 of Impur
1) Samples containing iron(II) ion can be titrated with solutions ion under acidic conditions. Cr₂O72- +6Fe2+ + 14H+ → 2Cr³+ + 6Fe³+ + 7H₂O (a) Which ion is oxidized in this reaction? (b) Which ion is the reducing agent in this reaction? (c) If a 1.916 g sample containing iron(II) sulfate is dissolved and requires 34.1 mL of 0.0100 M K₂Cr2O7 solution to titrate it, what is the percent iron(II) sulfate in the sample? Iran (I) Surfte 1-9169 of Impur
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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Samples containing iron(II) ion can be titrate with solutions containing dichromate ion under acidic conditions.
Transcribed Image Text:Chemistry I Laboratory Manual, 2021 Revision
Questions:
1) Samples containing iron(II) ion can be titrated with solutions containing dichromate
ion under acidic conditions.
Cr₂O72- +6Fe2+ + 14H+ → 2Cr³+ + 6Fe³+ + 7H₂O
(a) Which ion is oxidized in this reaction?
93
(b) Which ion is the reducing agent in this reaction?
(c) If a 1.916 g sample containing iron(II) sulfate is dissolved and requires 34.1 mL of
0.0100 M K₂Cr2O7 solution to titrate it, what is the percent iron(II) sulfate in the
sample?
1.9169 of
Impor
Iran (I) Surfte
What volume of a 0.0246 M solution of potassium permanganate are required to
titrate 0.441 g of sample that is 70.2% sodium oxalate?
Zweet + 5 Cr₂O +
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