The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown with a standard solution of dichromate, Cr2O,. The net ionic equation is 6FE2* (aq) + Cr20,2 (aq) + 14H*(aq)→6FE**(aq) + 2Cr (aq) + 7H2O(aq) Part A The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.235 M solution of dichromate to reach the equivalence point. What is the molarity of the iron(11) solution? Express your answer to three significant figures and include the appropriate units. > View Avallable Hint(s)
The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown with a standard solution of dichromate, Cr2O,. The net ionic equation is 6FE2* (aq) + Cr20,2 (aq) + 14H*(aq)→6FE**(aq) + 2Cr (aq) + 7H2O(aq) Part A The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.235 M solution of dichromate to reach the equivalence point. What is the molarity of the iron(11) solution? Express your answer to three significant figures and include the appropriate units. > View Avallable Hint(s)
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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![I Review I Constants I Periodic Table
The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown with a standard solution
of dichromate, Cr0,. The net ionic equation is
6F22+ (aq) + Cr20,2- (aq) + 14H (aq)→6FE (aq) + 2Cr* (aq) + 7H2O(aq)
Part A
The titration of 25.0 mL of an iron(Il) solution required 18.0 mL of a 0.235 M solution of dichromate to reach the
equivalence point. What is the molarity of the iron(II) solution?
Express your answer to three significant figures and include the appropriate units.
> View Avallable Hint(s)
HẢ
Value
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Submit](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0319c00d-f6bb-4aa5-a904-f8fc949000f8%2Fba1bb404-e8d4-4a0d-b712-8b077548eeb1%2F8y3sw7x_processed.jpeg&w=3840&q=75)
Transcribed Image Text:I Review I Constants I Periodic Table
The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown with a standard solution
of dichromate, Cr0,. The net ionic equation is
6F22+ (aq) + Cr20,2- (aq) + 14H (aq)→6FE (aq) + 2Cr* (aq) + 7H2O(aq)
Part A
The titration of 25.0 mL of an iron(Il) solution required 18.0 mL of a 0.235 M solution of dichromate to reach the
equivalence point. What is the molarity of the iron(II) solution?
Express your answer to three significant figures and include the appropriate units.
> View Avallable Hint(s)
HẢ
Value
Units
Submit
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