Answer to Question #296375 in Chemical Engineering for Lokika

Question

14)An aqueous feed containing reactant A with concentration of 5 mol/lit is taken in a batch reactor. The reaction is first order with rate constant of 0.5 min¹. What is the concentration (in mol/lit) at end of 5 min? A) 4.1

B) 0.41

C) 0.082

D)3

Answer 1

C = C₀e^-kt

C = 5 mol/l x e^{-0.5 min^-1 x 5 min} = 0.41 mol/l

B) 0.41