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In an experiment similar to the one you will be doing, the FeSCN2+ equilibrium concentration at 50°C was found to be 3.20 x 10-5 M in a solution made by mixing 5.00 mL of 1.00 x 10-3 M Fe(NO3)3 with 5.00 mL of 1.00 x 10-3 M HSCN. The H+ concentration was maintained at 0.500 M.  How many moles FeSCN2+ are present at equilibrium?   How many moles each of Fe3+ and HSCN were initially present?   How many moles Fe3+ remained unreacted in the equilibrium mixture?   How many moles of HSCN remained unreacted?   What are [Fe3+] and [HSCN] in the equilibrium solution?   Calculate Keq for the reaction.

In an experiment similar to the one you will be doing, the FeSCN2+ equilibrium concentration at 50°C was found to be 3.20 x 10-5 M in a solution made by mixing 5.00 mL of 1.00 x 10-3 M Fe(NO3)3 with 5.00 mL of 1.00 x 10-3 M HSCN. The H+ concentration was maintained at 0.500 M.  How many moles FeSCN2+ are present at equilibrium?   How many moles each of Fe3+ and HSCN were initially present?   How many moles Fe3+ remained unreacted in the equilibrium mixture?   How many moles of HSCN remained unreacted?   What are [Fe3+] and [HSCN] in the equilibrium solution?   Calculate Keq for the reaction.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.35PAE: In the reaction in Exercise 12.33, another trial was carried out. The reaction began with an initial...
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  1. In an experiment similar to the one you will be doing, the FeSCN2+ equilibrium concentration at 50°C was found to be 3.20 x 10-5 M in a solution made by mixing 5.00 mL of 1.00 x 10-3 M Fe(NO3)3 with 5.00 mL of 1.00 x 10-3 M HSCN. The H+ concentration was maintained at 0.500 M. 

How many moles FeSCN2+ are present at equilibrium?  

How many moles each of Fe3+ and HSCN were initially present?  

How many moles Fe3+ remained unreacted in the equilibrium mixture?  

How many moles of HSCN remained unreacted?  

What are [Fe3+] and [HSCN] in the equilibrium solution?  

Calculate Keq for the reaction.  

 

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