試題詳解

69. When the following equation C₂H₅OH + O₂⇌ CO₂ + H₂O is balanced, what are the coefficients?
(A) 2, 3, 1, 4
(B) 1, 3, 2, 3
(C) 1, 1, 1, 1
(D) 1, 2, 3, 4
(E) 1, 2, 2, 2