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gaga5115
@gaga5115
June 2022
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Осуществите цепочку превращений:
Si SiO2 H2SiO3 K2SiO
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meikochan
Si+O2+t1200°C=SiO2
Na2SiO3+H2SO4=Na2SO4+H2SiO3
↓
H2SiO3+KOH=K2SiO3+H2O
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Answers & Comments
Na2SiO3+H2SO4=Na2SO4+H2SiO3↓
H2SiO3+KOH=K2SiO3+H2O