由两种金属组成的合金8g,投入到足量的稀硫酸中,测的产生气体5.6L(标准状况),则原合金不可能是?A、Mg-Cu合金B、Mg-Fe合金C、Al-Zn合金D、Fe-Zn合金必须用极值法!A选项:先用5.6/22.4=0.25mol,mMg=0.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 20:03:30
![由两种金属组成的合金8g,投入到足量的稀硫酸中,测的产生气体5.6L(标准状况),则原合金不可能是?A、Mg-Cu合金B、Mg-Fe合金C、Al-Zn合金D、Fe-Zn合金必须用极值法!A选项:先用5.6/22.4=0.25mol,mMg=0.](/uploads/image/z/5010147-27-7.jpg?t=%E7%94%B1%E4%B8%A4%E7%A7%8D%E9%87%91%E5%B1%9E%E7%BB%84%E6%88%90%E7%9A%84%E5%90%88%E9%87%918g%2C%E6%8A%95%E5%85%A5%E5%88%B0%E8%B6%B3%E9%87%8F%E7%9A%84%E7%A8%80%E7%A1%AB%E9%85%B8%E4%B8%AD%2C%E6%B5%8B%E7%9A%84%E4%BA%A7%E7%94%9F%E6%B0%94%E4%BD%935.6L%EF%BC%88%E6%A0%87%E5%87%86%E7%8A%B6%E5%86%B5%EF%BC%89%2C%E5%88%99%E5%8E%9F%E5%90%88%E9%87%91%E4%B8%8D%E5%8F%AF%E8%83%BD%E6%98%AF%3FA%E3%80%81Mg-Cu%E5%90%88%E9%87%91B%E3%80%81Mg-Fe%E5%90%88%E9%87%91C%E3%80%81Al-Zn%E5%90%88%E9%87%91D%E3%80%81Fe-Zn%E5%90%88%E9%87%91%E5%BF%85%E9%A1%BB%E7%94%A8%E6%9E%81%E5%80%BC%E6%B3%95%EF%BC%81A%E9%80%89%E9%A1%B9%EF%BC%9A%E5%85%88%E7%94%A85.6%2F22.4%3D0.25mol%2CmMg%3D0.)
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