<span>2 C₂H₅COOH + K₂O→ 2 C₂H₅COOK + H₂O</span>
<span>А)2) CL2+ H2=2HCL </span>
<span>2HCL+CaCO3=CaCL2 + H2O+ CO2 </span>
<span>CaCL2+ 2AgNO3= Ag2CL + Ca(NO3)2 </span>
<span>3Cl2+2Fe=2 FeCL3 </span>
<span>FeCl3+3NaOH= 3NaCl+ Fe(OH)3</span>
Na+2S=Na2S
Скорее всего так)