题目

Don't worry. We'll try to make ___________ at home. A . her to feel B . her feel C . herself to feel D . herself feel 答案:B(1)在反应A+B═C+D中,5gA和10gB恰好完全反应,生成8gC;若2.5gA和足量的B反应,可生成D的质量是______.(2)实验室用锌跟足量的稀盐酸(HCl)反应,可以制得氯化锌和氢气.如果用32.5g的锌可制得氢气多少克?______.
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