August 2021 1 33 Report
Выбери вещества, с помощью которых можно осуществить превращения:

1. Ba(OH)2→BaSiO3
BaSO3
H2SiO3
Na2SiO3
SO2
SiO2

2. Hg(OH)2→HgSO3
Na2SO3
H2SO3
Li2SO4
SO2
SO3
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