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Aigul2111
@Aigul2111
July 2022
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Определить количество вещества 200г. CaCO3
Осуществите превращение: Na-Na2o-NaOH
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Poliakova
Verified answer
N (CaCO3) = m (CaCO3) / M (CaCO3) = 200/100 = 2 моль
4Na + O2 = 2Na2O
Na2O + H2O = 2NaOH
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Answers & Comments
Verified answer
N (CaCO3) = m (CaCO3) / M (CaCO3) = 200/100 = 2 моль4Na + O2 = 2Na2O
Na2O + H2O = 2NaOH