Iodine, I2 and bromine, Br2, react in a closed 2.0-L container at 150ºC to produce iodine monobromide, IBr, according to the following equation: I2 + Br2 2 IBr
The equilibrium constant, K, at this temperature is 1.2 x 102. What are the equilibrium concentrations of all entities in the mixture if the container initially contained 4.00 mol each of iodine and bromine?

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

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the maximum mass of nh3 is nh3 in grams