問題詳情
銀器在硫化氫存在的空氣中,發生下列反應變為黑褐色硫化銀,4Ag+2H2S+O2→2Ag2S+2H2O,從10.8g的Ag,3.4g H2S和3.2g 的O2反應(原子量:Ag=108,S=32)
13. 試問反應物中何者是限量試劑?
(A) Ag
(B) H2S
(C) O2
(D) Ag2S。
13. 試問反應物中何者是限量試劑?
(A) Ag
(B) H2S
(C) O2
(D) Ag2S。
參考答案
答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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