At 25oC, the equilibrium constant for the reaction 2 A(aq) ----> B(aq) + C(aq) is 1.91 . If the concentration of B(aq) is 0.399 M and the concentration of C(aq) is 0.502 M, what would be the minimal concentration of A(aq) (in mol/L) required to make the reaction spontaneous?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section12.5: Using Equilibrium Constants
Problem 12.6PSP
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At 25oC, the equilibrium constant for the reaction 2 A(aq) ----> B(aq) + C(aq) is 1.91 . If the concentration of B(aq) is 0.399 M and the concentration of C(aq) is 0.502 M, what would be the minimal concentration of A(aq) (in mol/L) required to make the reaction spontaneous?
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