5、Cu2++S02+Cr→ 五、Answer the following questions according to request(⑤points) Please try to set up a method to separate and identify the ionsAg'FCo Cfrom a mixed solytion Answer the following questions according to requests(2 questions,15 points in total) 1、(7poin)If you know△，G(COC2F-204.6 kJ-mol'，△，G(CO- 137.2kJmolplease try to calculate: (1)Chemical equilibria constant of the reaction CO+ClCOCl at at 25C: (2)Chemical equilibria constant of the reaction CO+Cl2COCl2 at 373K if you know△，H(C0C2F-218.8 kJ-mor',△，H(COy-1l0.5 kJ-mol 2(8 points)Supposing the chemical equilibria constant of the reaction H2(g)+ I2 (g)=2HI(g)at 425C is K=54.5,if 2.0x10mol H2(g).5.0x10-2 mol Iz(g)and 4.0x103 mol HI(g)are put in a 2Lcontainer,how much HI(g)is there at chemical equilibria5、 Cu2+ + SO3 2- + Cl- → 五、Answer the following questions according to request (5 points ) Please try to set up a method to separate and identify the ions Ag+ 、Fe3+、Co2+、 Cr3+ from a mixed solytion. 六、Answer the following questions according to requests (2 questions, 15 points in total) 1、(7 point) If you know (COCl θ Δ Gmf 2)=－204.6kJ·mol-1， (CO)=－ 137.2kJ·mol θ Δ Gmf -1, please try to calculate: （1） Chemical equilibria constant of the reaction CO + Cl2 → COCl2 at at 25℃； （2） Chemical equilibria constant of the reaction CO + Cl2 → COCl2 at 373K if you know (COCl θ Δ Hmf 2)=－218.8 kJ·mol-1， (CO)=－110.5 kJ·mol θ Δ Hmf -1. 2、(8 points) Supposing the chemical equilibria constant of the reaction H2（g）＋ I2（g） 2HI(g) at 425 is ℃ =54.5，if 2.0×10 θ K -3mol H2(g)，5.0×10－2 mol I2(g)and 4.0×10-3 mol HI(g) are put in a 2Lcontainer, how much HI(g) is there at chemical equilibria? vi