已知44克二氧化碳(CO2)中含碳重12克，試問6克碳欲完全反應生成二氧化碳，共需氧若干克？　(A)(B)(C)(D)(E)克。

問題詳情

2.已知44克二氧化碳(CO2)中含碳重12克，試問9.6克碳欲完全反應生成二氧化碳，共需氧若干克？　
(A)12.
(B)25.
(C)28.
(D)30.
(E)34.克。

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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