AP Chemistry Unit 5.9 Steady State Approximation AP PhysicsAP CalculusAP ChemistryAP Biology AP Chemistry-Concise Summary Notes- All Topics Determining Rate Law When Slow Step is Not FirstWrite rate law for slow stepFor fast step: set the rate of the forward reaction (k₁) = rate of reverse reaction (k₋₁)Then solve for the [intermediate]Plug in the equation into the slow step