試題詳解

9. For the gas reaction of NX₃ with HBr, if X with average molecule weight of 29 and reaction figure shown below. If no air were present in the reaction tube, what will be the ratio (r) of NX₃: HBr gas traveling distances to form the white ring of (.

(A) 0.75-0.85
(B) 0.85-0.95
(C) 0.95-1.05
(D) 1.05-1.15
(E) ＞1.15