Grade 12Engineering Entrance ExamsFor a first order reaction, (A) ? products, the concentration of A changes from 0.1 M to 0.025 M in 40 minutes. The rate of reaction when the concentration of A is 0.01 M is ? Rahul Kumar 12 Years agoGrade 12
Avinash10 Years agoln[A]/[Aº] = -ktln(0.025/0.1) / 40min = -kk = 0.0346/minln(0.01/0.1) = -0.0346t = 66.54minrate = k[A]rate = 0.0346/min x 0.01M = 3.46x10^M/min