For the following reaction, kc=255 at 1000k. Co(g) + Cl 2(g)--COCl (g). A reacti

Question

For the following reaction, kc=255 at 1000k. Co(g) + Cl 2(g)--COCl (g). A reaction mixture initially contains a concentration of0.1530 M and a Cl 2 concentration of 0.170 M at 1000k. 1)What is the equilibrium concentration of Cl 2 at1000k? 2)What is the equilibrium concentration of COCL2 at1000k? For the following reaction, kc=255 at 1000k. Co(g) + Cl 2(g)--COCl (g). A reaction mixture initially contains a concentration of0.1530 M and a Cl 2 concentration of 0.170 M at 1000k. 1)What is the equilibrium concentration of Cl 2 at1000k? 2)What is the equilibrium concentration of COCL2 at1000k?

Explanation / Answer

For the given reaction -                        CO(g) + Cl2(g)     ----------> COCl2(g).              I(M)   0.1530     0.170                         -            C          -x            -x                            +x            Eq      0.1530-x    0.170-x                      x Therefore -       Kc = x /(0.1530-x)(0.170-x)       255 = x / (0.1530-x)(0.170-x) By solving it we get -                                   x = 0.1368 M Thus - a) Equilibrium concentration of the Cl2 = 0.170 -0.1368 = 0.0332 M b) Equillibrium concentration of the COCl2 = 0.1368M

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