将mg含有Fe2O3.nH2O杂质的Al2O3样品溶解在过量的200mlc(H+)=0.1mol/L的稀硫酸中,然后再向其中加入100mLNH3.H2O溶液,使Fe3+、Al3+恰好全部转化为沉淀,所加氨水的浓度为 A,0.4mol/L B ,0.2mol/L C,0.1mol/L D,无法计
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 13:45:27
![将mg含有Fe2O3.nH2O杂质的Al2O3样品溶解在过量的200mlc(H+)=0.1mol/L的稀硫酸中,然后再向其中加入100mLNH3.H2O溶液,使Fe3+、Al3+恰好全部转化为沉淀,所加氨水的浓度为 A,0.4mol/L B ,0.2mol/L C,0.1mol/L D,无法计](/uploads/image/z/6417261-45-1.jpg?t=%E5%B0%86mg%E5%90%AB%E6%9C%89Fe2O3.nH2O%E6%9D%82%E8%B4%A8%E7%9A%84Al2O3%E6%A0%B7%E5%93%81%E6%BA%B6%E8%A7%A3%E5%9C%A8%E8%BF%87%E9%87%8F%E7%9A%84200mlc%28H%2B%29%3D0.1mol%2FL%E7%9A%84%E7%A8%80%E7%A1%AB%E9%85%B8%E4%B8%AD%2C%E7%84%B6%E5%90%8E%E5%86%8D%E5%90%91%E5%85%B6%E4%B8%AD%E5%8A%A0%E5%85%A5100mLNH3.H2O%E6%BA%B6%E6%B6%B2%2C%E4%BD%BFFe3%2B%E3%80%81Al3%2B%E6%81%B0%E5%A5%BD%E5%85%A8%E9%83%A8%E8%BD%AC%E5%8C%96%E4%B8%BA%E6%B2%89%E6%B7%80%2C%E6%89%80%E5%8A%A0%E6%B0%A8%E6%B0%B4%E7%9A%84%E6%B5%93%E5%BA%A6%E4%B8%BA+A%2C0.4mol%2FL+B+%2C0.2mol%2FL+C%2C0.1mol%2FL+D%2C%E6%97%A0%E6%B3%95%E8%AE%A1)
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