已知六種元素的原子量如表(九)所示。有四包肥料分別僅含有下列選項的一種化合物，小傑想要在土壤中加入氮元素質量比例超過 40% 的肥料，哪一包肥料所含的化合物最符合小傑的需求？ (A) CO(

問題詳情

41. 已知六種元素的原子量如表(九)所示。有四包肥料分別僅含有下列選項的一種化合物，小傑想要在土壤中加入氮元素質量比例超過 40% 的肥料，哪一包肥料所含的化合物最符合小傑的需求？

(A) CO(NH2)2
(B) (NH4)2SO4
(C) Ca(NO3)2
(D) NH4NO3

參考答案

答案：A
難度：適中0.484694
統計：A(95),B(46),C(26),D(29),E(0)

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