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Автор - Oscar2033

SO3 + KOH=
Na2O + H2SO4=
Na2O + CO2=
Na2O + H2O=

Ответ

Автор - melissa17
2KOH+SO3=K2SO4+H2O
Na2O+H2SO4=Na2SO4+H2O
Na2O+CO2=Na2CO3
Na2O+H2O=2NaOH

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