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Hydrogen can be extracted from natural gas according to the following reaction: CH4(g)+CO2(g)<-->2CO(g)+2H2(g) Kp=450 at 825K An 85 L reaction container initially contains kg of CH4 and 55.4 kg of CO2 at 825 K Assuming ideal gas behavior, calculate the mass of H2 in grams present in the reaction mixture at equilibrium.