申論題

2. The reaction of ethane gas (C₂H₆) with chlorine gas produces C₂H₅Cl as its main product (along with HCl) and a variety of other minor products. Calculate the percent yield of C₂H₅Cl if the reaction of 300. g of ethane with 650. g of chlorine produced 490. g of C₂H₅Cl. (atomic mass: C, 12.01； Cl, 35.45； H, 1.008)