9.
强酸和强碱稀溶液的中和热可表示为:
\(\rm{H^{+}(aq)+ OH^{-}(aq)=}\) \(\rm{H_{2}O(1)}\) \(\rm{ΔH = -57.3KJ·mol^{-1}}\)
已知:\(\rm{CH_{3}COOH(aq)+ NaOH(aq)=}\) \(\rm{CH_{3}COONa(aq)+ H_{2}O(1)}\) \(\rm{ΔH_{1}}\)
\(\rm{1/2 H_{2}SO_{4}(}\)浓\(\rm{)+ NaOH(aq)=}\) \(\rm{1/2 Na_{2}SO_{4}(aq)+ H_{2}O(1)}\) \(\rm{ΔH_{2}}\)
\(\rm{HNO_{3}(aq)+ KOH(aq)=}\) \(\rm{KNO_{3}(aq)+ H_{2}O(1)}\) \(\rm{ΔH_{3}}\)
上述反应均为在溶液中的反应,则\(\rm{ΔH_{1}}\)、\(\rm{ΔH_{2}}\)、\(\rm{ΔH_{3}}\)的关系正确的是\(\rm{(}\) \(\rm{)}\)