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Choose the one alternative that best completes the statement or answers the question. ΔS° = –198.7 J/K for the reaction shown below. CalculateS° for NH3(g). N2(g) + 3 H2(g) →2 NH3(g) Species S°, J/(K ∙ mol) N2(g) 191.5 H2(g) 130.6 NH3(g) ? A) 123.4 J/K∙mol B) 384.6 J/K∙mol C) 192.3 J/K∙mol D) 61.7 J/K∙mol