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CBSE Class 11-science Answered

For the equilibrium system described by: PCl5 (g) rightwards harpoon over leftwards harpoon PCl3 (g) + Cl2 (g) Keq equals 35 at 487°C. If the concentrations of the PCl5 and PCl3 are 0.015 M and 0.78 M, respectively, what is the concentration of the Cl2?
Asked by Topperlearning User | 16 Jun, 2016, 05:17: PM
answered-by-expert Expert Answer

Let x = the unknown, [Cl2].  Substitute in known values and solve for c:
 
                                   
Answered by | 16 Jun, 2016, 07:17: PM

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