The pseudo-1st order rate constant is introduced as the product of the second-order rate constant and the concentration of a reactant, for which the concentration remains quasi-constant during the reaction:
.
The molar concentration of the reagent A (here HCl) is 0.1 M. Therefore, the second order rate constant is:
s-1 M-1.
Answer: the second order rate constant is 0.105 s-1 M-1.
Comments