A mixture of NH3 g and N H g is placed in a sealed container

Last updated: 7/4/2023

A mixture of NH3 g and N H g is placed in a sealed container at 300K The total pressure is 0 55 atm The container is heated to 1200K at which both gases decompose completely according to the equation 2NH3 g N g 3H g and N H4 9 N g 2H g After complete decomposition the total pressure at 1200K is found to be 5 5 atm Find the moles of N H4 in the original mixture A B C D O A B 30 25 40 75