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The equilibrium constant for the following decomposition reaction at 75.0 °C is 2.73. NH3BF3(s) ⇌ NH3(g) + BF3(g)What is the minimum amount of NH3BF3(s) in grams that has to be added to a 0.350 L flask in order to reach equilibrium?

The equilibrium constant for the following decomposition reaction at 75.0 °C is 2.73.
NH₃BF₃(s) ⇌ NH₃(g) + BF₃(g)What is the minimum amount of NH₃BF₃(s) in grams that has to be added to a 0.350 L flask in order to reach equilibrium?