Solve this: 68. 20 gm of CaCO3 is allowed to dissociate in a 5.6 litre container at 819 ° C. If 50% of CaCO3 is dissocitated at equilibrium, the 'Kp' value is 1) 5 atm 2) 1.6 atm 3) 4.8 atm 4) 10 atm Share with your friends Share 11 Shyama Charan Mandal answered this Dear Student, 20 View Full Answer