# The rate constant for this second–order reaction is 0.570 M-1*s-1 at 300∘C . A⟶products A⟶products How long, in seconds, would it take for the concentration of A to decrease from0.720M to 0.200M ?

Question

The rate constant for this second–order reaction is 0.570 M-1*s-1 at 300∘C .

Aproducts A⟶products

How long, in seconds, would it take for the concentration of A to decrease from0.720M to 0.200M ?