Автор - ella2300

CРОЧНО
si-sio2-na2sio3-h2sio3

Ответ

Автор - krevedko47

1.Si + O2 ---> SiO2

2.SiO2 + NaOH --(900-1000 С)-> Na2SiO3 + H2O

3.Na2SiO3 + 2HCl ---> H2SiO3 + 2NaCl


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