Consider the proposed mechanism for a reaction below. What is the rate law for the overall reaction?
(1) X + Y â†" Z (fast, reversible)
(2) Z + A â†' B (slow)
(3) B â†' C (fast)
(1) Rate = k[X][Y][A] (2) Rate = k[Z][A][B] (3) Rate = k[X][Y][Z] (4) Rate = k[X][Y] (5) Rate = k[Z][B]