试题与答案

与1g氢气完全反应的氧气的质量为[ ] A.0.5 g B.1 g C.8 g

题型:选择题

题目:

与1g氢气完全反应的氧气的质量为[ ]

A.0.5 g

B.1 g

C.8 g

D.16 g

答案:

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