申論題

1. DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction:

2C₆H₅Cl (Chlorobenzene) + C₂HOCl₃ (Chloral) → + H₂O

In a government lab, 1273.32 g of chlorobenzene is reacted with 596.75 g of chloral.

c. What mass of the excess reactant is left over?