Kc calculations using initial and equilibrium concentrations - CI questions OCR 2015 salters B 0.0 / 5 ? ChemistryEquilibriaA2/A-levelOCR Created by: erindaviiesCreated on: 10-01-17 14:02 1) 2.5 moles of N2O4 gas are placed into a vessel of volume 12dm3. There are 2 moles of brown gas product in the equilibrium mixture. Calculate Kc from this 0.22 moldm-3 1 of 5 20 2 2 of 5 3) 3 3 of 5 4) 4 4 of 5 5) 5 5 of 5
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