The equilibrium constant (Kc) for the reaction 2NO(g)D N2(g) + O2(g) is 2.4×10 . If the initial concentration of NO is 0.350 M (N2 and O2 are zero), what will the equilibrium concentration of NO be?

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Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

The answer is c - the principal of original lateral continuity.