A mixture of 3 moles of SO2, 4 moles of NO2, 1 mole of SO3 and 4 moles of NO is placed in a 2.0L vessel. SO2(g)+NO2(g)⇔SO3(g)+NO(g). At equilibrium, the vessel is found to contain 1 mole of SO2. Calculate the value of KC. 1 mole of SO3 and 4 moles of NO is placed [...]