Question

The rate constant of a zero-order reaction is 0.2 (mol/L) hour-1. What will be the initial concentration of the reactant if after an hour its concentration is 0.089 mol/L?

Answer 1

k=([C]_0-[C])/t
[C]_0-[C]=k∙t
[C]_0=k∙t+[C]=0.2∙1+0.089=0.289 mol/l
Answer: 0.289 mol/L.