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Internet1337
@Internet1337
July 2022
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осуществите превращение:
(написать просто 5 уравнений, БЕЗ всяких окислителей восстановителей)
Si->Mg2Si->SiO2->Na2SiO3->H2SiO3->SiO2
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svetka1574
Verified answer
Si + 2Mg -> Mg2Si
Mg2Si + 2O2 -> SiO2 + 2MgO
SiO2 + 2NaOH -> Na2SiO3 + H2O
Na2SiO3 + 2HCl -> 2NaCl + H2SiO3
H2SiO3 -> SiO2 + H2O
1 votes
Thanks 1
mrvladimir2
Verified answer
Si + 2Mg = Mg2Si
Mg2Si + 2O2 = SiO2 + 2MgO
SiO2 + 2NaOH = Na2SiO3 + H2O
Na2SiO3 + 2HCl = 2NaCl + H2SiO3
H2SiO3 =t=> SiO2 + H2O
2 votes
Thanks 1
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Answers & Comments
Verified answer
Si + 2Mg -> Mg2SiMg2Si + 2O2 -> SiO2 + 2MgO
SiO2 + 2NaOH -> Na2SiO3 + H2O
Na2SiO3 + 2HCl -> 2NaCl + H2SiO3
H2SiO3 -> SiO2 + H2O
Verified answer
Si + 2Mg = Mg2SiMg2Si + 2O2 = SiO2 + 2MgO
SiO2 + 2NaOH = Na2SiO3 + H2O
Na2SiO3 + 2HCl = 2NaCl + H2SiO3
H2SiO3 =t=> SiO2 + H2O