At a certain temperature, the equilibrium constant at a certain temperature is 3.60. At this temperature, calculate the number of moles of NO 2 ( g ) that must be added to 2.53 mol SO 2 ( g ) in order to form 1.10 mol SO 3 ( g ) at equilibrium.

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

you need to have a picture of the atom that way we can answer it