The equilibrium constant, K, for the following reaction is 6.50x103 at 298 K. 2NOBr(g) 2NO(g) + Brz(g) If an equilibrium mixture of the three gases in a 19.1 L container at 298 K contains 0.222 mol of NOBR(g) and 0.240 mol of NO, the equilibrium concentration of Br, is M.

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