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MISSED THIS? Watch KCV: Finding Equilibrium Concentrations from Initial Concentrations What will be the equilibrium concentration of H2 ? IWE: Finding Equilibrium Concentrations from Initial Express the concentration in molarity to three significant figures. Concentrations and the Equilibrium Constant ; Read Section 16.8. You can click on the Review link to access the section in your eText. Consider the reaction CO(g)+H2O(g)CO2(g)+H2(g)Kc=102at500K A reaction mixture initially contains 0.150MCO and 0.150MH2O. X Incorrect; Try Again; One attempt remaining