设阿伏加德罗常数为NA,标准状况下,mg N2和O2的混合气体含有b个分子,则n 发布时间:2017-05-16 20:55 │ 来源:www.tikuol.com 题型:选择题 问题: 设阿伏加德罗常数为NA,标准状况下,mg N2和O2的混合气体含有b个分子,则ng该混合气体在相同状态下的体积为(单位为L)( )A.B.C.D.
题型:选择题 By this time next summer, you ___ a high paying job. I, on the other hand , will still be studying for my degree. A.will have foundB.will findC.have foundD.will be finding 查看答案