At 1280 ° C the equilibrium constant Kc for the reaction  Br2(g) ⇌ 2Br(g)  is 1.1  ×  10−3. If the initial concentrations are [Br2] = 0.0420 M and [Br] = 0.0390 M, calculate the concentrations of these two species at equilibrium.

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 12.5PSP: For the equilibrium 2 SO2(g) + O2(g) 2 SO3(g) Kc = 245 (at 1000 K) the equilibrium concentrations...
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At 1280

°

C the equilibrium constant Kc for the reaction
 

Br2(g) ⇌ 2Br(g)

 
is 1.1 

×

 10−3. If the initial concentrations are [Br2] = 0.0420 M and [Br] = 0.0390 M, calculate the concentrations of these two species at equilibrium.

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