問題詳情

9. Yellow phosphorus (P4) undergoes disproportionation in NaOH(aq) to producePH3 and NaH2PO2. If 16.0 g of P4 was used in the reaction, how many grams of P4would behave as the oxidizing agent? (atomic weight of P = 31 u)
(A) 12.0 g
(B) 10.0 g
(C) 8.0 g
(D) 6.4 g
(E) 4.0g 

參考答案

答案:E
難度:計算中-1
書單:沒有書單,新增