Nitric oxide reacts with Br2 and gives nitrosyl bromide as per reaction given below:
2NO(g)+Br2(g)⇌2NOBr(g)
When 0.087 mol of NO and 0.0437 mol of Br2 are mixed in a closed container at constant temperature, 0.0518 mol of NOBr is obtained at equilibrium. Calculate equilibrium amount of NO and Br2.