物质除杂:H2(水蒸气),Cu(Fe),Cu(CuO),FeSO4(CuSO4),NaCl(Na2SO4),NaCl(NaOH),NaOH(Na2CO3),NaCl(CuSO4),NaNO3(NaCl),NaCl(KNO3),CO2(水蒸气)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 22:55:03
![物质除杂:H2(水蒸气),Cu(Fe),Cu(CuO),FeSO4(CuSO4),NaCl(Na2SO4),NaCl(NaOH),NaOH(Na2CO3),NaCl(CuSO4),NaNO3(NaCl),NaCl(KNO3),CO2(水蒸气)](/uploads/image/z/2271357-45-7.jpg?t=%E7%89%A9%E8%B4%A8%E9%99%A4%E6%9D%82%3AH2%28%E6%B0%B4%E8%92%B8%E6%B0%94%EF%BC%89%2CCu%28Fe%29%2CCu%28CuO%29%2CFeSO4%28CuSO4%29%2CNaCl%28Na2SO4%29%2CNaCl%28NaOH%29%2CNaOH%28Na2CO3%29%2CNaCl%28CuSO4%29%2CNaNO3%28NaCl%29%2CNaCl%28KNO3%29%2CCO2%28%E6%B0%B4%E8%92%B8%E6%B0%94%EF%BC%89)
物质除杂:H2(水蒸气),Cu(Fe),Cu(CuO),FeSO4(CuSO4),NaCl(Na2SO4),NaCl(NaOH),NaOH(Na2CO3),NaCl(CuSO4),NaNO3(NaCl),NaCl(KNO3),CO2(水蒸气)
物质除杂:H2(水蒸气),Cu(Fe),Cu(CuO),FeSO4(CuSO4),NaCl(Na2SO4),NaCl(NaOH),NaOH(Na2CO3),NaCl(CuSO4),
NaNO3(NaCl),NaCl(KNO3),CO2(水蒸气)
物质除杂:H2(水蒸气),Cu(Fe),Cu(CuO),FeSO4(CuSO4),NaCl(Na2SO4),NaCl(NaOH),NaOH(Na2CO3),NaCl(CuSO4),NaNO3(NaCl),NaCl(KNO3),CO2(水蒸气)
物质除杂:H2(水蒸气)用浓硫酸、碱石灰、氯化钙、硅胶等等都可以
Cu(Fe)用磁铁吸出铁或放入足量CuSO4溶液中,然后过滤、洗涤、干燥.
Cu(CuO)足量H2或CO还原
FeSO4(CuSO4)(应该是溶液了)加足量铁粉然后过滤、洗涤、干燥
NaCl(Na2SO4),加适量BaCl2溶液过滤,取滤液
NaCl(NaOH)适量盐酸
NaOH(Na2CO3)适量氢氧化钙或氢氧化钡
NaNO3(NaCl)用结晶法,配制较高温度下的饱和液,降温结晶、过滤
CO2(水蒸气)用浓硫酸、氯化钙、硅胶等等都可以
1.浓硫酸(氢氧化钠) 2.稀盐酸(稀硫酸) 3.稀盐酸(稀硫酸) 4.铁屑 5.氯化钡 6.稀盐酸
7.先硫酸,再氢氧化钡 8.氢氧化钡 9.硝酸银 10.溶于水,蒸发溶剂 11.浓硫酸