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Автор - Леся111111111111

c=cac2=c2h2=co2=khco3=k2co3=baco3

Ответ

Автор - svetka1574


2С + Сa = CaC2

CaC2 + 2H2O = Ca(OH)2 + C2H2

2C2H2 + 5O2 =4 CO2 + 2H2O

CO2 + K2CO3 + H2O = 2KHCO3

2KHCO3 = K2CO3 + H2O + CO2

K2CO3 + BaCl2 = BaCO3 + 2KCl


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