The equilibrium constant, kc, for the reaction n2o4 (g) ⇄ 2no2 (g) is 0.211 at 100°c. if the equilibrium concentration of n2o4 is 0.00251 m, calculate the equilibrium concentration of no2. view available hint(s) the equilibrium constant, kc, for the reaction n2o4 (g) ⇄ 2no2 (g) is 0.211 at 100°c. if the equilibrium concentration of n2o4 is 0.00251 m, calculate the equilibrium concentration of no2. 2.65 × 10-4 m 0.0230 m 2.99 × 10-5 m 5.30 × 10-4 m

The concentration of NO₂ is 0,0230M

Explanation:

The equilibrium constant, kc, express the ratio in equilibrium between products and reactants. For the reaction:

N₂O₄(g) ⇄ 2NO₂ (g) kc = 0.211 at 100°C

kc =

In equilibrium:

0,211 =

5,2961x10⁻⁴ = [NO₂]²

0,0230 M = [NO₂]

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