問題詳情
77. The rate of effusion of an unknown gas is measured and found to be 24 mL/min. Under the same condition, the rate of effusionof CO gas is 38 mL/min. Which is the best formula of this unknown gas?
(A) CO2
(B) H2O
(C) C5H10
(D) C6H6
(E) C2H5OH
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)