PLEASE COME IN!锌和盐酸反应生成氢气和氯化锌.实验室用3.7g锌与足量盐酸反应,可制得氢气和氯化锌的质量各多少?

PLEASE COME IN!锌和盐酸反应生成氢气和氯化锌.实验室用3.7g锌与足量盐酸反应,可制得氢气和氯化锌的质量各多少? Yes.Come in,please. Please come in and___a seattake和have好像都行唉！ -May I ( )(come)in?-Come,please. 锌与浓盐酸和稀盐酸反应有什么不同,为什么制取氢气要用稀盐酸 Come in please and have a s___ . Don‘t stand_____the room.Come in,please. Don't stand o____.Come in please Don‘t stand_____the room.Come in,please. come in please的中文意思 Take off 、 please come in!用中文翻译 don,t stay ( ) please come in do not stand o------.come in,please . please come in and take a s(-----) come in,please 变否定句 please come in (否定句） Come in,please!的英语成份缩写 Come in ,please.改为否定祈使句____ ____,please.