9. Yellow phosphorus (P4) undergoes disproportionation in NaOH(aq) to produce PH3 and NaH2PO2. If 16.0 g of P4 was used in the reaction, how many grams of P4 would 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
詳解 (共 2 筆)
未解鎖
這是一道關於化學計量與氧化還原反應的經典...