The equilibrium constant for the following gas phase reaction is 4.0 at a certain temperature. A reaction is carried out at this temperature starting with 2.0 mol/L of CO and 2.0 mol/L of H2O. What will be the equilibrium concentration of H2?

The equilibrium constant for the following gas phase reaction is 4.0 at a certain temperature. A reaction is carried out at this temperature starting with 2.0 mol/L of CO and 2.0 mol/L of H2O. What will be the equilibrium concentration of H2?

The equilibrium constant for the following gas phase reaction is 4.0 at a certain temperature. A reaction is carried out at this temperature starting with 2.0 mol/L of CO and 2.0 mol/L of H2O. What will be the equilibrium concentration of H2?

CO + H2O CO2 + H2

a. 2.0 M
b. 0.75 M
c. 1.3 M
d. 0.67 M
e. 1.5 M


Answer: c. 1.3 M


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