A Fe2 + solution is titrated with a K, Cr, O, solution according to the unbalanced reaction below. Cr, 0; (aq) + Fe²* (aq) Cr +(aq) + Fe³ +(aq) Select net ionic equation that shows the above reaction balanced in acidic solution. Cr,0; (aq) + 6 Fe? + (aq) + 14 H* (aq) 2 Cr + (aq) + 6 Fe³* (aq) + 7 H,O(1) 2 Cr,0; (aq) + Fe²+ (aq) 4 Cr + (aq) + Fe³ +(aq) + 7 O,(g) Cr, 0; (aq) + Fe² + (aq) + 14 H*(aq) → 2 Cr3 + (aq) + Fe³+ 3+(aq) + 7 H,O(1) O Cr, 0; (aq) + 6 Fe² * (aq) + 7 H, O(1) → 2 Cr³+ (aq) + 6 Fe³ + (aq) + 14 OH¯(aq)
A Fe2 + solution is titrated with a K, Cr, O, solution according to the unbalanced reaction below. Cr, 0; (aq) + Fe²* (aq) Cr +(aq) + Fe³ +(aq) Select net ionic equation that shows the above reaction balanced in acidic solution. Cr,0; (aq) + 6 Fe? + (aq) + 14 H* (aq) 2 Cr + (aq) + 6 Fe³* (aq) + 7 H,O(1) 2 Cr,0; (aq) + Fe²+ (aq) 4 Cr + (aq) + Fe³ +(aq) + 7 O,(g) Cr, 0; (aq) + Fe² + (aq) + 14 H*(aq) → 2 Cr3 + (aq) + Fe³+ 3+(aq) + 7 H,O(1) O Cr, 0; (aq) + 6 Fe² * (aq) + 7 H, O(1) → 2 Cr³+ (aq) + 6 Fe³ + (aq) + 14 OH¯(aq)
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 K,Cr, O, solution according to the unbalanced reaction below.
Cr,0; (aq) + Fe? + (aq) ·
Cr * (aq) + Fe +(aq)
Select net ionic equation that shows the above reaction balanced in acidic solution.
Cr, 0; (aq) + 6 Fe² + (aq) + 14 H* (aq)
* (aq)
→ 2 Cr+ (aq) + 6 Fe³+(aq) + 7 H,0(1)
2 Cr, 0; (aq) + Fe²+
Cr, 0; (aq) + Fe? * (aq) + 14 H*(aq) -
O Cr,0; (aq) + 6 Fe² + (aq) + 7 H,O(1)
→ 4 Cr³ + (aq) + Fe³+(aq) + 7O,(g)
2 Cr³ + (aq) + Fe³+(aq) + 7 H,O(1)
> 2 Cr³+ (aq) + 6 Fe³ +(aq) + 14 OH¯(aq)
22.50 mL of the Fe?+ solution required 12.50 mL of 0.255 M K, Cr, O, to reach the end point.
Calculate the concentration of the Fe2 + solution.
[Fe? +] =
M
* TOOLS
x10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fccb0a67c-7b5d-4f1e-af1f-c2b0cff9c8af%2F5d679952-03e1-4d1e-b57c-69a239a8210f%2Fxyyir4h_processed.png&w=3840&q=75)
Transcribed Image Text:A Fe2 + solution is titrated with a K,Cr, O, solution according to the unbalanced reaction below.
Cr,0; (aq) + Fe? + (aq) ·
Cr * (aq) + Fe +(aq)
Select net ionic equation that shows the above reaction balanced in acidic solution.
Cr, 0; (aq) + 6 Fe² + (aq) + 14 H* (aq)
* (aq)
→ 2 Cr+ (aq) + 6 Fe³+(aq) + 7 H,0(1)
2 Cr, 0; (aq) + Fe²+
Cr, 0; (aq) + Fe? * (aq) + 14 H*(aq) -
O Cr,0; (aq) + 6 Fe² + (aq) + 7 H,O(1)
→ 4 Cr³ + (aq) + Fe³+(aq) + 7O,(g)
2 Cr³ + (aq) + Fe³+(aq) + 7 H,O(1)
> 2 Cr³+ (aq) + 6 Fe³ +(aq) + 14 OH¯(aq)
22.50 mL of the Fe?+ solution required 12.50 mL of 0.255 M K, Cr, O, to reach the end point.
Calculate the concentration of the Fe2 + solution.
[Fe? +] =
M
* TOOLS
x10
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