09/3/2017 11:55 PM 06.9/10 Print Calculator-A Periodic Table Question 8 of 13 Incorrect Incorrect Sapling Learning macmillan learning At a certain temperature, 0.860 mol of SO3 is placed in a 4.00-L container. At equilibrium, 0.160 mol of O2 is present. Calculate Kc Number K. e0.0281