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Consider the Following Reaction: 2 NO(g)+ O2(g)⇌ 2 NO2(g)

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Consider the following reaction: 2 NO(g) + O2(g) ⇌ 2 NO2(g)
At equilibrium,6.00 mol of NO and 1.90 mol of O2 are present at equilibrium in a 2.50L flask.If the value for Kc is 23.8,how many moles of NO2 are also present?

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