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A.HNO₃(aq)£«KOH(aq)===H₂O(l)£«KNO₃(aq)¡¡ΔH>£­57.3 kJ·mol^£­1

B.HNO₃(aq)£«NH₃·H₂O(aq)===H₂O(l)£«NH₄NO₃(aq)ΔH<£­57.3 kJ·mol^£­1

C.CH₃COOH(aq)£«KOH(aq)===H₂O(l)£«CH₃COOK(aq)ΔH<£­57.3 kJ·mol^£­1

D.CH₃COOH(aq)£«NH₃·H₂O(aq)===H₂O(l)£«CH₃COONH₄(aq)ΔH>£­57.3 kJ·mol^£­1