Suppose the Kc value for Cobalt (II) hexahydrate is 6.80 and suppose upon heating the solution turned pink. If a group of student started mixed 10.5 mL of a 1.25 M [Co(H2O)6]2+(aq) solution with 12.5 mL of a 1.55 M solution of NaCl(aq) with 15.25 mL of a 1.39 M [CoCl4]-2(aq) solution then what is the value of the ion product (Qc)? Hint: first determine the number of moles of each ion and then divide by the total volume of the solution to get new Molarity when mixing solutions. [Co(H2O)6]2+(aq) + 4 Cl-(aq) ↔ [CoCl4]-2(aq) + 6 H2O(L) Multiple choices: 24.53 0.0487 28.78 0.0443 0.0311 20.54 0.0408 36.43 22.56 32.18 0.0274 0.0347
Suppose the Kc value for Cobalt (II) hexahydrate is 6.80 and suppose upon heating the solution turned pink. If a group of student started mixed 10.5 mL of a 1.25 M [Co(H2O)6]2+(aq) solution with 12.5 mL of a 1.55 M solution of NaCl(aq) with 15.25 mL of a 1.39 M [CoCl4]-2(aq) solution then what is the value of the ion product (Qc)? Hint: first determine the number of moles of each ion and then divide by the total volume of the solution to get new Molarity when mixing solutions. [Co(H2O)6]2+(aq) + 4 Cl-(aq) ↔ [CoCl4]-2(aq) + 6 H2O(L) Multiple choices: 24.53 0.0487 28.78 0.0443 0.0311 20.54 0.0408 36.43 22.56 32.18 0.0274 0.0347
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 118IL
Related questions
Question
Suppose the Kc value for Cobalt (II) hexahydrate is 6.80 and suppose upon heating the solution turned pink. If a group of student started mixed 10.5 mL of a 1.25 M [Co(H2O)6]2+(aq) solution with 12.5 mL of a 1.55 M solution of NaCl(aq) with 15.25 mL of a 1.39 M [CoCl4]-2(aq) solution then what is the value of the ion product (Qc)? Hint: first determine the number of moles of each ion and then divide by the total volume of the solution to get new Molarity when mixing solutions.
[Co(H2O)6]2+(aq) + 4 Cl-(aq) ↔ [CoCl4]-2(aq) + 6 H2O(L)
Multiple choices:
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24.53 |
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0.0487 |
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28.78 |
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0.0443 |
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0.0311 |
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20.54 |
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0.0408 |
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36.43 |
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22.56 |
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32.18 |
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0.0274 |
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0.0347 |
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