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for N2O4(g)-><-2NO2(g) the value of K at 25 degrees C is 7.1910-3. calculate N2O4 at equilibrium when NO2 =2.8010-2 mol/L. Calculate NO2 at equilibrium when N2O4=7.00*10-2 mol/L

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K=[NO2]^2/[N2O4]

a) you know K, you know N2O4. Calculate.

b) again, you know two , calculate the unknown.

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