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elnara0372
@elnara0372
August 2022
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Помогите, пожалуйста, составить уравнения цепи превращений Ca->CaO->Ca(NO3)2->CaCO3.
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Sparkless01
2Са+О
₂→
=2СаО
CaO + 2KNO
₃
→
Ca(NO
₃
)
₂
+ K
₂
O
Ca(NO₃)₂+Na₂CO₃→CaCO₃(осадок)+2NaNO₃
2 votes
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Answers & Comments
CaO + 2KNO₃ →Ca(NO₃)₂ + K₂O
Ca(NO₃)₂+Na₂CO₃→CaCO₃(осадок)+2NaNO₃