阿摩線上測驗
6. Ammonium metavanadate reacts with sulfur dioxide in acidic solution as follows (hydrogen ions and H2O omitted): 
(A) 1:3
(B)1:2
(C) 2:1
(D) 3:1
(E) 1:1
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統計： A(0), B(1), C(18), D(0), E(1) #2735494
統計： A(0), B(1), C(18), D(0), E(1) #2735494
