某温度下,C和H2O(气)在密闭容器中发生下列反应:
C(固)+H2O(气) CO(气)+H2(气); CO(气)+H2O(气) CO2(气)+H2(气) 当反应达到平衡时,测得c(H2)=1.9mol/L,c(CO)=0.1mol/L,则CO2的浓度为( )
A.0.1mol/L | B.0.9mol/L | C.1.8mol/L | D.1.9mol/L |
某温度下,C和H2O(气)在密闭容器中发生下列反应:
C(固)+H2O(气) CO(气)+H2(气); CO(气)+H2O(气) CO2(气)+H2(气) 当反应达到平衡时,测得c(H2)=1.9mol/L,c(CO)=0.1mol/L,则CO2的浓度为( )
A.0.1mol/L | B.0.9mol/L | C.1.8mol/L | D.1.9mol/L |