Models of Matter A.4 The Mole (id: bcb2c2ec0)

本题目来源于试卷: Models of Matter A.4 The Mole，类别为 IB化学

[单选题]

Which of the following substances would have the lowest mass?

A. 2.50 moles $H_2O$
B. 2.50 moles $CH_4$
C. 2.00 moles $SO_2$
D. 2.00 moles $CO_2$


参考答案:  B


本题详细解析:

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