If 21.01 g of NO and 99.42 g of Br2 are placed in a 1.35-L reaction vessel and sealed and the mixture is heated to 300 K and chemical equilibrium is achieved and the concentration of the product nitrosyl bromide is 0.4128 M that what is the value of Ko to 2 decimal places? Кс 2NO (g) + Br2(8) H 2NOB (g)

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