22.tThe reaction A→B + C is known to be zero order in A with a rate constant of 4.8 x 10-2 mol/L • s at25°C. An experiment was run at 25°C where [A]0 = 4.0 M. What is the concentration of B after 5.0s?
(A) 1.7 M
(B)4.5 x 10-1 M
(C) 3.0 M
(D)1.1✖10-1Mt
(E) 2.4 x 10-1 M
答案：E
統計：A:0,B:0,C:0,D:0,E:2
難度：計算中