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halloresone
@halloresone
October 2021
1
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Осуществите цепочку превращений.Дать название полученным веществам.
SiO2-k2sio3-kno3-o2-sio2-na2sio3-h2sio3
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Приветствую
₁ ₂ ₃ ₄ ₅ ₆
SiO₂ → K₂SiO₃ → KNO₃ → O₂ → SiO₂ → Na₂SiO₃ → H₂SiO₃
1. SiO₂ + 2KOH = K₂SiO₃ + H₂
O
2.
K₂SiO₃ + 2HNO₃ = 2KNO₃ + H₂SiO₃
t
3. 2KNO₃ = 2KNO₂
+ O
₂
4.
Si + О
₂ = SiО₂
5.
SiО
₂
+ 2NаОН = Nа
₂
SiО
₃
+ Н
₂
О
6. Nа₂SiО₃ + 2НСl = Н₂SiО₃ + 2NаСl
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Answers & Comments
₁ ₂ ₃ ₄ ₅ ₆
SiO₂ → K₂SiO₃ → KNO₃ → O₂ → SiO₂ → Na₂SiO₃ → H₂SiO₃
1. SiO₂ + 2KOH = K₂SiO₃ + H₂O
2. K₂SiO₃ + 2HNO₃ = 2KNO₃ + H₂SiO₃
t
3. 2KNO₃ = 2KNO₂ + O₂
4. Si + О₂ = SiО₂
5. SiО₂ + 2NаОН = Nа₂SiО₃ + Н₂О
6. Nа₂SiО₃ + 2НСl = Н₂SiО₃ + 2NаСl