Em tham khảo nha:
\(\begin{array}{l}
X:CaC{O_3}\\
CaC{O_3} \xrightarrow{t^0} CaO + C{O_2}\\
CaO + C{O_2} \to CaC{O_3}\\
CaO + {H_2}O \to Ca{(OH)_2}\\
C{O_2} + NaOH \to NaHC{O_3}\\
2NaHC{O_3} + Ca{(OH)_2} \to N{a_2}C{O_3} + CaC{O_3} + 2{H_2}O\\
Ca{(OH)_2} + 2HCl \to CaC{l_2} + 2{H_2}O\\
NaHC{O_3} + NaOH \to N{a_2}C{O_3} + {H_2}O\\
CaC{l_2} + N{a_2}C{O_3} \to CaC{O_3} + 2NaCl\\
X:NaCl\\
2NaCl \xrightarrow{dpdd} 2Na + C{l_2}\\
2Na + C{l_2} \xrightarrow{t^0} 2NaCl\\
2Na + 2{H_2}O \to 2NaOH + {H_2}\\
C{l_2} + {H_2} \to 2HCl\\
NaOH + HCl \to NaCl + {H_2}O\\
2NaOH + C{O_2} \to N{a_2}C{O_3} + {H_2}O\\
2HCl + Ba{(OH)_2} \to BaC{l_2} + 2{H_2}O\\
BaC{l_2} + N{a_2}C{O_3} \to BaC{O_3} + 2NaCl
\end{array}\)