ng氯酸钾和2g二氧化锰混合加热，完全反应后得到固体mg，则放出氧气的质量为_刷题宝

题干

ng氯酸钾和2g二氧化锰混合加热，完全反应后得到固体mg，则放出氧气的质量为（）

A：（n﹣m）g

B：（m+2）g

C：（m﹣2）g

D：（n+2﹣m）g

上一题下一题 0.0难度选择题更新时间:2016-05-18 10:09:01

答案(点此获取答案解析）

D

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