A sample of solid NH,NO3 was placed in an empty container. It decomposes according to the following reaction: NHẠNO3 (5) + N20 (3) + 2H20 (g) At equilibrium, the total pressure in the container is 2.25 atm. Calculate Kp. O 0.422 O 1.13 1.69 O 2.25 O Need to know mass of NH,NO3

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