A Fe²+ solution is titrated with a K₂Cr₂O, solution according to the unbalanced reaction below. Cr₂O² (aq) + Fe²+(aq) → Cr³ (aq) + Fe³ (aq) Select net ionic equation that shows the above reaction balanced in acidic solution. O Cr₂O² (aq) + 6 Fe2 (aq) +7H₂O(1) 2 Cr³ (aq) + 6 Fe³ +(aq) + 14 OH(aq) O Cr₂0 (aq) + 6 Fe² (aq) + 14 H+ (aq) → 2 Cr³ (aq) + 6 Fe³ (aq) + 7 H₂O(1) O2 Cr₂0 (aq) + Fe² (aq) 4 Cr (aq) + Fe³ (aq) +70₂(g) - O Cr₂0 (aq) + Fe² (aq) + 14 H* (aq) 2 Cr³ (aq) + Fe (aq) + 7H₂O(1) L 20.00 mL of the Fe²+ solution required 11.00 mL of 0.100 M K₂Cr₂O, to reach the end point. Calculate the concentration of the Fe²+ solution. [Fe²+] = M
A Fe²+ solution is titrated with a K₂Cr₂O, solution according to the unbalanced reaction below. Cr₂O² (aq) + Fe²+(aq) → Cr³ (aq) + Fe³ (aq) Select net ionic equation that shows the above reaction balanced in acidic solution. O Cr₂O² (aq) + 6 Fe2 (aq) +7H₂O(1) 2 Cr³ (aq) + 6 Fe³ +(aq) + 14 OH(aq) O Cr₂0 (aq) + 6 Fe² (aq) + 14 H+ (aq) → 2 Cr³ (aq) + 6 Fe³ (aq) + 7 H₂O(1) O2 Cr₂0 (aq) + Fe² (aq) 4 Cr (aq) + Fe³ (aq) +70₂(g) - O Cr₂0 (aq) + Fe² (aq) + 14 H* (aq) 2 Cr³ (aq) + Fe (aq) + 7H₂O(1) L 20.00 mL of the Fe²+ solution required 11.00 mL of 0.100 M K₂Cr₂O, to reach the end point. Calculate the concentration of the Fe²+ solution. [Fe²+] = M
Chemistry
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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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![A Fe²+ solution is titrated with a K₂Cr₂O, solution according to the unbalanced reaction below.
Cr₂O² (aq) + Fe² (aq) → Cr³ (aq) + Fe³+(aq)
Select net ionic equation that shows the above reaction balanced in acidic solution.
O Cr₂O² (aq) + 6 Fe²
O Cr₂O3(aq) + 6 Fe²
O 2 Cr₂0 (aq) + Fe²
(aq) 4 Cr³ (aq) + Fe³ (aq) +70₂(g)
O Cr₂O² (aq) + Fe² (aq) + 14 H+ (aq) 2 Cr³ (aq) + Fe (aq) + 7 H₂O(1)
(aq) + 7 H₂O(1) 2 Cr³ (aq) + 6 Fe³+(aq) + 14 OH(aq)
-
(aq) + 14 H+ (aq) → 2 Cr³ (aq) + 6 Fe³ (aq) + 7 H₂O(1)
-
[Fe²+] =
-
20.00 mL of the Fe²+ solution required 11.00 mL of 0.100 M K₂Cr₂O, to reach the end point.
Calculate the concentration of the Fe²+ solution.
M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F08ede6f7-2a5d-4485-ae94-12fbe88d9850%2F79efb4dd-eee6-46a2-8eab-267e2e12ccd4%2Fv33025j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A Fe²+ solution is titrated with a K₂Cr₂O, solution according to the unbalanced reaction below.
Cr₂O² (aq) + Fe² (aq) → Cr³ (aq) + Fe³+(aq)
Select net ionic equation that shows the above reaction balanced in acidic solution.
O Cr₂O² (aq) + 6 Fe²
O Cr₂O3(aq) + 6 Fe²
O 2 Cr₂0 (aq) + Fe²
(aq) 4 Cr³ (aq) + Fe³ (aq) +70₂(g)
O Cr₂O² (aq) + Fe² (aq) + 14 H+ (aq) 2 Cr³ (aq) + Fe (aq) + 7 H₂O(1)
(aq) + 7 H₂O(1) 2 Cr³ (aq) + 6 Fe³+(aq) + 14 OH(aq)
-
(aq) + 14 H+ (aq) → 2 Cr³ (aq) + 6 Fe³ (aq) + 7 H₂O(1)
-
[Fe²+] =
-
20.00 mL of the Fe²+ solution required 11.00 mL of 0.100 M K₂Cr₂O, to reach the end point.
Calculate the concentration of the Fe²+ solution.
M
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