Ответ:
caoth2o=ca(oh)2
ca(oh)2+h2co3=caco3+20 ca+2oh+2h+co3=ca+co3+h2o caco3+2hcl=cacl2+h2o+co2
2oh+2h=h2o
ca+co3+2h+2cl=ca+2cl+h2otco
co3+2h=h2otco2
cacl2+2hno3=ca(no3)2+2hcl ca+2cl+2h+2по3=ca+2по3+2+2cl
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Ответ:
caoth2o=ca(oh)2
ca(oh)2+h2co3=caco3+20 ca+2oh+2h+co3=ca+co3+h2o caco3+2hcl=cacl2+h2o+co2
2oh+2h=h2o
ca+co3+2h+2cl=ca+2cl+h2otco
co3+2h=h2otco2
cacl2+2hno3=ca(no3)2+2hcl ca+2cl+2h+2по3=ca+2по3+2+2cl