41. Which of the following represents a conjugate acid-base pair?
(A) H2PO4– and PO43-
(B) HSO4– and SO32-
(C) HNO3 and NO3–
(D) HCl and NaOH

答案：登入後查看
統計： A(1), B(1), C(1), D(1), E(0) #347728