A proposed mechanism for a reaction is
C4H9Br⟶C4H+9 + Br− Slow
C4H+9H2O⟶C4H9OH+2Fast
C4H9OH+2+H2O⟶C4H9OH+H3O+ Fast
Write the rate law expected for this mechanism. What is the overall balanced equation for the reaction? What are the intermediates in the proposed mechanism?