Question

尼

這題怎麼算？ 正確答案是d.

7.
0.00
The reaction A + B is first order in [A]. Consider the following data.
What is the concentration (M) of [A] after 80.0 s?
S
Time (s)
[A] (M)
0.0
0.20
5.0
0.14
10.0
0.10
15.0
0.071
20.0
0.040
a. 04.06
b. O 7.8 X 10^-2
c. O 5.00 X 10^-3
d. 4.06 X 10^-4
O 0.01
e.