Question

The rate constant for a first order reaction was found to be 0.082 min^-1 If initial concentration of reactant is 0.15 M how long would it take, 

(a) to reduce the concentration of A to 0.03 M 

(b) to reduce the concentration of A by 0.03 M.

Answer 1

(a) to reduce the concentration of A to 0.03 M .

(b) to reduce the concentration of A by 0.03 M.