問題詳情
9. If 100 mL of 0.4 M Ba(OH)2 solution is added to a sufficient amount of H2SO4 solution, the amount of heat released is 5.12 kJ. If 100 mL of 0.4 M HCl solution is added to a sufficient amount of Ba(OH)2 solution, the amount of heat released is 2.2 kJ. Which of the following is the thermochemical equation for the reaction between an Na2SO4 solution and a BaCl2 solution?
(A)
(B)
(C)
(D)
(E)
參考答案
答案：C
統計：A:0,B:0,C:0,D:1,E:0
難度：計算中