When NaNO3 is heated in a closed vessel, oxygen is liberated and NaNO3 is left behind. At equilibrium, oxygen is liberated and NaNO3 is left behind. At equilibrium When NaNO3 is heated in a closed vessel June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved [...]