The equilibrium constant for the following chemical reaction, as written, is 5.6 × 10 − 11 . H C O 3 − ( a q ) ⇀ ↽ C O 3 2 − ( a q ) + H + ( a q ) Does the following set of conditions represent an equilibrium position? If not, in which direction will the reaction shift in order to reach equilibrium? Bicarbonate ion: 0.034 M Carbonate ion: 0.0002 M  Hydrogen ion: 0.005 M (Please excuse the equilibrium arrows. They are not formatted correctly.)    The reaction is not yet at equilibrium. It will shift to the left (toward reactants) to reach equilibrium.            The reaction is already at equilibrium.            The reaction is not yet at equilibrium. It will shift to the right (toward products) to reach equilibrium.            It is not possible for the reaction to reach equilibrium with the initial concentrations given.

Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
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Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.41PAE: Because calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go...
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The equilibrium constant for the following chemical reaction, as written, is 5.6 × 10 − 11 .

H C O 3 − ( a q ) ⇀ ↽ C O 3 2 − ( a q ) + H + ( a q )

Does the following set of conditions represent an equilibrium position? If not, in which direction will the reaction shift in order to reach equilibrium?

Bicarbonate ion: 0.034 M

Carbonate ion: 0.0002 M

 Hydrogen ion: 0.005 M

(Please excuse the equilibrium arrows. They are not formatted correctly.)

  
The reaction is not yet at equilibrium. It will shift to the left (toward reactants) to reach equilibrium.
 
 
 
 
  
The reaction is already at equilibrium.
 
 
 
 
  
The reaction is not yet at equilibrium. It will shift to the right (toward products) to reach equilibrium.
 
 
 
 
  
It is not possible for the reaction to reach equilibrium with the initial concentrations given.
 
 
 
 
 
 
 
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