32. Calculate the pH of 0.10 M NH4CN. (Kb for NH3 = 1.8 x 10-5; Ka for HCN = 6.2 x 10-10)
(A) 9.23
(B) 8.87
(C) 8.21
(D) 5.79
(E) 5.13
答案:登入後查看
統計: A(12), B(1), C(3), D(0), E(2) #2241205
統計: A(12), B(1), C(3), D(0), E(2) #2241205
詳解 (共 1 筆)
#4637418
pkw+pka-pkb/2
1
0