For the first-order reaction A = 3 B + C, when [ A]0 = 0.014 mol·L-1, the concentration of B increases to 0.017 mol·L-1 in 2.7 min.

Question

For the first-order reaction A => 3 B + C, when [ A]0 = 0.014 mol·L-1, the concentration of B increases to 0.017 mol·L-1 in 2.7 min.
(a) What is the rate constant for the reaction expressed as the rate of loss of A?
  I found this to be .1923, which I know is correct.

(b) How much more time would be needed for the concentration of B to increase to 0.034 mol·L-1?
  min
I thought since .034 is twice .017 it would just be doubled...but this is wrong.

Val · Answer

ooh nevermind i made a silly error...i have the answer now :)