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