Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s)+CO,(g)CaCO3(s) At a certain temperature, a chemist finds that a 3.1 L reaction vessel containing a mixture of calcium oxide, carbon dioxide, and calcium carbonate at equilibrium has the following composition: compound amount 23.6 g Cao CO2 9.3 g CaCO3 71.8 g Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits.