① 焰色反應(yīng)
② 火焰呈淺紫色
③ 火焰呈黃色
④ BaCl2溶液
⑤ CaCl2溶液
⑥ K2SO4溶液
⑦ Na2CO3
⑧ 稀HCl
⑨ NaHCO3
1、KCl、K2SO4；2、NaCl、Na2CO3、NaHCO3.
加④溶液:BaCl2+K2SO4=BaSO4↓+2KCl
加⑤溶液:Na2CO3+CaCl2=CaCO3↓+2NaCl
加⑧:HCl+NaHCO3=NaCl+H2O+CO2↑
鑒別以下幾種物質(zhì)
鑒別以下幾種物質(zhì)
NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步驟一一鑒別出來
`````````````````````````利用（①）反映
```````````````````````````````↓
``````````````現(xiàn)象（②） ``````````````現(xiàn)象（③）
`````````````1______溶液`````````````` 2______溶液
````````````````↓ ````````````````````````↓
```````````加(④)溶液 `````````````````加（⑤）溶液
````````↓ ``````````↓ ``````````↓ ``````````````````↓
````有沉淀 ````````無現(xiàn)象````` 有沉淀 ```````````````無現(xiàn)象
````原溶液 ````````原溶液````` 原溶液``````````````` 原溶液
````為(⑥)``````` `為KCl ``````為（⑦） ``````````````↓
````````````````````````````````````````````````````加（⑧）
```````````````````````````````````````````````↓ ```````````↓
````````````````````````````````````````````有氣體```````` 無現(xiàn)象
````````````````````````````````````````````原溶液```````` 原溶液
````````````````````````````````````````````為（⑨）`````` 為NaCl
填出 1.2是什么溶液 和①至⑨的空
最好能告訴我反映方程和原理
NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步驟一一鑒別出來
`````````````````````````利用（①）反映
```````````````````````````````↓
``````````````現(xiàn)象（②） ``````````````現(xiàn)象（③）
`````````````1______溶液`````````````` 2______溶液
````````````````↓ ````````````````````````↓
```````````加(④)溶液 `````````````````加（⑤）溶液
````````↓ ``````````↓ ``````````↓ ``````````````````↓
````有沉淀 ````````無現(xiàn)象````` 有沉淀 ```````````````無現(xiàn)象
````原溶液 ````````原溶液````` 原溶液``````````````` 原溶液
````為(⑥)``````` `為KCl ``````為（⑦） ``````````````↓
````````````````````````````````````````````````````加（⑧）
```````````````````````````````````````````````↓ ```````````↓
````````````````````````````````````````````有氣體```````` 無現(xiàn)象
````````````````````````````````````````````原溶液```````` 原溶液
````````````````````````````````````````````為（⑨）`````` 為NaCl
填出 1.2是什么溶液 和①至⑨的空
最好能告訴我反映方程和原理
其他人氣：165 ℃時(shí)間：2021-02-18 20:15:19
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