Проделайте следующие превращения: CaCl² --->Ca(OH)² --->CaCo³ --->Ca(HCO)³ --->CaCo³ --->CaCl². Created by JuliaMag. himiya-ru

Проделайте следующие превращения: CaCl² --->Ca(OH)² --->CaCo³ --->Ca(HC...

July 2022 1 1 Report

Проделайте следующие превращения:
CaCl² --->Ca(OH)² --->CaCo³ --->Ca(HCO)³ --->CaCo³ --->CaCl²

Answers & Comments

Hanami CaCl2+2NaOH=2NaCl+Ca(OH)2
Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3+CO2+H2O=Ca(HCO3)2
Ca(HCO3)2 (нагревание) <=> CaCO3 +H2O +CO2
CaCO3 + 2НСl = CaCl2 + H2O + CO2

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