在化学反应A2+BC=B+A2C中，反应物BC与生成B的质量关系如图所示．若2g A2与80g BC恰好完全反应，则生成A2C的质量是_刷题宝

题干

在化学反应A₂+BC=B+A₂C中，反应物BC与生成B的质量关系如图所示．若2g A₂与80g BC恰好完全反应，则生成A₂C的质量是（）

A：8g

B：18g

C：28 g

D：80g

上一题下一题 0.0难度选择题更新时间:2017-11-03 12:24:21

答案(点此获取答案解析）

B

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