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O ADVANCED MATERIAL 1/3 NA Calculating an equilibrium constant from an equilibrium... Phosphorus t ...
O ADVANCED MATERIAL 1/3 NA Calculating an equilibrium constant from an equilibrium... Phosphorus tribromide decomposes to form phosphorus and bromine, like this: 4 PBr3(g) ? P4(g) + 6 Br?(g) Also, a chemist finds that at a certain temperature the equilibrium mixture of phosphorus tribromide, phosphorus, and bromine has the following composition: compound concentration at equilibrium PBr3 0.51 M P4 0.40 M Br? 1.8M Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = ?x10 X