help with part B and C please

The air pollutant NO is produced in automobile engines from the hightemperature reaction N2(g)+O2(g)2NO(g);Ke=1.7103 What is the concentration of N2 when the reaction mixture reaches equilbrium? at 2300K. The initial concentrations of N2 and O2 at 2300K are both 1.83M. Express your answer to three significant figures and include the appropriate units. Part c What is the concentration of O, when the reacton mixture reaches equibbrum? Express your answee to three significant figures and inchide the sppropriate units