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Aruuke0000
@Aruuke0000
August 2022
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напишите уравнение реакций с помощью которых можно осуществить след.превращения : SiO2-K2SiO3-H2SiO3-SiO2-Si. СРОЧНО
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kedr57
1.SiO2+2KOH=K2SIO3+H2O
2.K2SiO3+2HCl=H2SiO3+2KCl
3.H2SiO3⇒H2O+SiO2
4.SiO2+2Mg=2MgO+Si
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Answers & Comments
2.K2SiO3+2HCl=H2SiO3+2KCl
3.H2SiO3⇒H2O+SiO2
4.SiO2+2Mg=2MgO+Si