将32.0g O 2 (M=32.0g·mol -1 )和42.0g N 2 (M=28.0g·mol -1 )混合于10.0dm -3 的容器中,27°C时混合物的总压力为 kPa,O 2 的分压为 kPa,N 2 的分压为 kPa。
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】听力原文:W: Hello. This is the emergency 911 operator. M: Help. Help. Please help me ! W: Yes sir. Please calm down and explain exactly what is happening. M: Calm down! My car is stalled on the freeway, I...