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Natashka14
@Natashka14
July 2022
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Осуществите химические превращения:
1)NaOH - Na2SO3 - BaSO4
2)CaCl2 - CaCO3 - CO2
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Answers & Comments
lyubavasil
1)2NaOH+ SO3 = Na2SO4 + H2O
Na2SO4 +BaCl2 = BaSO4 + 2NaCl
2)CaCl2 + Na2CO3 = CaCO3 + 2NaCl
-CaCO3 = CO2
+ CaO
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Answers & Comments
Na2SO4 +BaCl2 = BaSO4 + 2NaCl
2)CaCl2 + Na2CO3 = CaCO3 + 2NaCl
-CaCO3 = CO2+ CaO